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# China Cut Yttrium Exports to Japan 98%: Why Separation, Not Mining, Keeps Tosoh, DKKK and Chip-Coating Makers Short Until 2028
- URL: https://datadeep.tech/china-yttrium-exports-to-japan-2026/
- Published: 2026-10-22T09:20:04.000Z
- Updated: 2026-10-22T10:15:37.000Z
- Description: Yttrium oxide costs about $1,150/kg outside China vs $9 inside. Japan’s stockpiles may run out within months, squeezing Tosoh and DKKK.
- Author: John D
- Tags: Rare Earth, Policy, Minerals, Superconductor, Supply Chain, EV, Sustainability

## 1\. Summary

### 1.1 Principal findings

China has cut Japan off from yttrium in practice, without any single measure that names the element and the country together, and the late-September Trump-Xi summit did not change that. Chinese customs data show 4 metric tons of yttrium oxide exported to Japan in September 2026, against 51 tons in September 2025 \[1\]. Shipments for January through September totaled 18 tons, 98 percent below the 888 tons of the same period a year earlier \[2\]. Silverado Policy Accelerator, working from the same customs series, recorded zero exports of export-controlled rare earth compounds and metals to Japan in June, July, and August 2026 \[3\]. September 2026 is the latest Chinese customs month this report could verify. On the import side, Japanese Ministry of Finance statistics put first-half 2026 yttrium oxide imports at about 204 tons, down 74 percent from the first half of 2024, drawn from 12 countries and regions outside China that have not yet supplied enough volume to close the gap \[4\]\[5\].

Four findings: **First**, the bottleneck is the separation of yttrium oxide from heavy rare earth feed, and it will not be relieved quickly: **Lynas Rare Earths (ASX:LYC)**, the only commercial heavy rare earth separator outside China, guides to first yttrium production in early calendar 2028 \[6\]. Japanese government officials and trading-house executives told the Financial Times in October 2026 that shortages could begin before year-end and that stockpiles are falling \[7\]. **Second**, the legal mechanism has moved from licensing items to blocking end users and end uses. MOFCOM Announcement No. 1 of 2026 bars dual-use exports to Japanese military end users, to military end uses, and to any end use that enhances Japan's military capability, and it extends liability to third-country transfers of Chinese-origin items \[8\]\[9\]. MOFCOM then placed 80 Japanese entities on its Control and Watch Lists in two rounds, on February 24 and June 29, 2026 \[10\]\[11\]\[12\]\[13\]. **Third**, pricing power has passed to holders of Chinese-origin oxide outside China: Argus assessed yttrium oxide at about 1,150 USD per kilogram outside China in October 2026, roughly 179 times its level two years earlier, against about 9 USD per kilogram inside China \[7\]\[14\]. **Fourth**, US-China diplomacy does not resolve Japan's position. China shipped 29 tons of yttrium oxide to the United States in July 2026 \[15\], while a senior US official told the Financial Times that Beijing permits Japan only enough to cover its minimum needs \[7\].

### 1.2 Key uncertainties

Japanese national and commercial yttrium inventories are undisclosed, so every estimate of how long Japanese industry can run without Chinese supply is forward reasoning rather than observed data. Chinese export statistics and Japanese import statistics do not reconcile, because origin rules, timing, and classification differ between the two series \[3\]. Yttrium has no exchange contract, and simultaneous price assessments from different agencies diverge by a factor of two or more, so any single price should be read as indicative. Several figures in this report reach it secondhand: Argus prices through Financial Times reporting, Ministry of Finance data through Nikkei and TrendForce, and Chinese broker estimates through Chinese financial press.

### 1.3 Headline implications

The timing mismatch is the investment case: Japan's buffer is measured in months, while ex-China separated yttrium arrives in years. There is no clean public-market way to own ex-China yttrium; Lynas is a long-dated option, and the clearer near-term beneficiaries are Chinese zirconia powder producers that buy oxide at domestic prices. Japanese zirconia and coating-powder producers carry the most direct earnings risk. The thesis fails if Beijing restores licensing to Japanese civilian buyers, and the observable signal is a monthly Chinese customs figure for yttrium oxide to Japan above roughly 30 tons; a Sino-Japanese thaw, not US-China diplomacy, is the variable to watch.

---

Why does separation, not mining, leave Japan short of yttrium until 2028?China sent Japan 18 t of yttrium oxide in January to September 2026, down 98% from 888 t. Yttrium oxide costs about US$1,150/kg outside China against US$9 inside, and no plant outside China sells separated yttrium before Lynas's early-2028 target, so Japanese zirconia and chip-coating makers face a gap of months, not years.SUPPLY CHAIN BRIEFINGSUPPLY CHAIN MAP | YTTRIUMWhy does separation, not mining, leaveJapan short of yttrium until 2028?China sent Japan 18 t of yttrium oxide in January to September 2026, down 98%. Ex-Chinaoxide costs about US$1,150/kg against US$9 inside China, and the only funded ex-Chinaseparator targets yttrium for early 2028.Information as of October 22nd, 2026 | DataDeep.Tech01THE VERDICTMonths of stock,years to replace.Japan's buffer is undisclosed but officials warn ofshortages by end-2026; separated ex-China yttriumdoes not arrive before early 2028 \[6\]\[7\].WHAT DRIVES IT1Shipments collapsed. Chinese customs show 18 t of yttrium oxide toJapan in January to September 2026, against 888 t a year earlier \[2\].2The test is end use, not item. MOFCOM Announcement No. 1 bars anyuse that enhances Japan's military capability, so exporters declinecivilian orders too \[8\]\[9\].3Separation is the bottleneck. Ore exists outside China, but only Lynasseparates heavy rare earths there; its yttrium is a 2028 target \[6\]\[24\].18 tChinese yttrium oxideexports to Japan, Jan toSep 2026, vs 888 t in2025 \[2\]\-74%Japan's yttrium oxideimports, H1 2026 vs H12024, to 204 t \[4\]US$1,150About this much per kg ofyttrium oxide outsideChina, Argus, Oct 2026;US$9 inside \[7\]80Japanese entities onMOFCOM's Control andWatch Lists since Feb2026 \[10\]\[11\]\[12\]\[13\]2028Lynas's target for firstseparated yttrium, earlycalendar 2028 (asserted)\[6\]STATUS KEYESTABLISHEDOfficial data or filingsMODELEDDataDeep.Tech arithmetic or company estimateNON-BINDINGManagement targetNOT YETNot producedREPORTEDPress or broker reportBOTTLENECKAdverse finding02TRADE FLOWChinese yttrium oxide shipments to Japan fell 98% in nine months, to 18 t;June to August recorded zero controlled rare earthsChinese exports of yttrium oxide to Japan, metric tons (gross weight)General Administration of Customs data as reported by Reuters, AFP and Mining.com.auJan to Sep 2025Jan to Sep 2025: 888 t888 tJan to Sep 2026Jan to Sep 2026: 18 t (-98%)18 t (-98%)Jan to May 2025Jan to May 2025: 605.3 t605.3 tJan to May 2026Jan to May 2026: 14.1 t14.1 tSeptember 2025September 2025: 51 t51 tSeptember 2026September 2026: 4 t4 tRead as: Chinese export and Japanese import statistics do not reconcile: Japan imported 204 t in H1 2026 from all origins, including Chinese-origin oxide at sharplyhigher unit values. September 2026 is the latest Chinese customs month verified \[1\]\[2\]\[3\]\[4\]\[14\].03SUPPLY CHAIN MAPThe bottleneck is separation: yttrium ore exists outside China, but no plantoutside China sells separated yttrium oxide todayStep 1: Feedstock. Ion-adsorption clays in China and Burma; 10–15 kt Y2O3 eq in 2025 \[20\]1FeedstockIon-adsorption clays in China and Burma;10–15 kt Y2O3 eq in 2025 \[20\]ESTABLISHEDStep 2: Separation. China holds ≈92% of refined rare earths; no ex-China separated yttrium \[1\]\[6\]2SeparationChina holds ≈92% of refined rare earths;no ex-China separated yttrium \[1\]\[6\]BOTTLENECKStep 3: Powders and coatings. Tosoh, DKKK, Mitsui Kinzoku, AGC: YSZ powders, chamber coatings \[21\]\[22\]3Powders and coatingsTosoh, DKKK, Mitsui Kinzoku, AGC: YSZpowders, chamber coatings \[21\]\[22\]ESTABLISHEDStep 4: End uses. Zirconia, etch-chamber coatings and turbine barriers, now short of oxide \[4\]\[19\]4End usesZirconia, etch-chamber coatings andturbine barriers, now short of oxide \[4\]\[19\]BOTTLENECKControls also cover yttrium metal, alloys, sputtering targets, oxide mixtures and compounds, so importing an intermediate instead of oxide does not escape licensing \[28\].04JAPAN'S SHORTFALLJapan now imports about 400 t a year against roughly 1,550 t before thecutoff, a gap of about 1,150 t (our arithmetic)Japanese yttrium oxide imports, t/yrMODELEDAnnualized from Ministry of Finance data via Nikkei: H1 2024 ≈785 t, H1 2026 204 tBefore the cutoff, 2024 run rateBefore the cutoff, 2024 run rate: ≈1,500 to 1,600 t/yr≈1,500 to 1,600 t/yr2026 run rate (H1 × 2)2026 run rate (H1 × 2): ≈400 t/yr≈400 t/yrGap to cover from stocksGap to cover from stocks: ≈1,100 to 1,200 t/yr≈1,100 to 1,200 t/yrRead as: Japan drew on 12 non-Chinese origins in H1 2026 \[4\]. None is itemized publicly, and of the plausible ones only Malaysia (Lynas) separates heavy rareearths, without saleable yttrium yet; most are likely processors of Chinese material.05PRICING POWEREx-China yttrium oxide costs about US$1,150/kg against US$9 inside China,a spread above 100× that did not exist before April 2025Yttrium oxide, China domestic vs outside China, US$/kgThin, bilateral market: simultaneous ex-China assessments differ by more than 2×China domesticOutside ChinaREPORTED02505007501,0001,250Nov 2025, Europe (Argus)Nov 2025, Europe (Argus) comparator: 7Nov 2025, Europe (Argus): 270≈39× \[27\]Mid 2026, Rotterdam (CITIC)Mid 2026, Rotterdam (CITIC) comparator: 7.7Mid 2026, Rotterdam (CITIC): 457.5≈59× \[38\]Mid 2026, Europe (Baichuan)Mid 2026, Europe (Baichuan) comparator: 7.7Mid 2026, Europe (Baichuan): 1,175≈153× \[38\]Oct 2026, ex-China (Argus)Oct 2026, ex-China (Argus) comparator: 9Oct 2026, ex-China (Argus): 1,150≈128× \[7\]Multipliers are DataDeep.Tech arithmetic. The China price barely moved because supply that cannot leave the country holds it down; the ex-China price reflects scarcity\[7\]\[27\]\[33\].06DOWNSTREAM EXPOSUREZirconia is most exposed by tonnage, chamber coatings by availability, andturbine coatings by lawZIRCONIA CERAMICSTosoh (TSE:4042), DKKK(TSE:4082)Most exposedLargest yttrium tonnage; 3Y powder carries≈5.1 wt% Y2O3 \[16\]Tosoh halted high-end powder shipments toChina, June 2026 \[29\]Chinese rivals buy oxide at ≈US$8/kg andcan take share \[41\]SEMICONDUCTOR CHAMBER COATINGSMitsui Kinzoku (TSE:5706), AGC(TSE:5201)Availability, not priceCoatings are near-pure Y2O3 or YOF, butfabs can absorb the priceMitsui Kinzoku's Fukuoka output constrainedby supply \[4\]Requalifying chemistries takes quarters toyearsTURBINE THERMAL BARRIERSMHI (TSE:7011), IHI (TSE:7013), KHI(TSE:7012)Legally foreclosedSmallest tonnage: 6 to 8% YSZ topcoats \[19\]Aero-engine units on the Control List: alldual-use items barred \[10\]Mg- or Ca-stabilized substitutes trade awaytoughness \[19\]\[20\]07COST SHAREYttria in a kilogram of 3Y zirconia powder cost about US$0.46 in 2025; atex-China prices it costs about US$59Yttria cost embedded in 1 kg of zirconia powder, US$MODELEDLoading × oxide price: 3Y at 5.1 wt% Y2O3, 8Y at 13.3 wt% Y2O3 \[16\]\[17\]3Y powder, oxide at US$9/kg (2025, FOB China)3Y powder, oxide at US$9/kg (2025, FOB China): ≈US$0.46≈US$0.463Y powder, oxide at ≈US$1,150/kg (Oct 2026)3Y powder, oxide at ≈US$1,150/kg (Oct 2026): ≈US$59≈US$598Y electrolyte, oxide at ≈US$1,150/kg8Y electrolyte, oxide at ≈US$1,150/kg: ≈US$153≈US$153Read as: CITIC Securities' estimate that yttrium oxide is about 5% of zirconia powder cost at baseline prices \[30\] no longer holds once the input reprices more than100×. A Chinese powder maker's input advantage is now tens of dollars per kilogram.08LEGAL ARCHITECTUREBeijing moved from licensing items to blocking end users: 80 Japaneseentities listed in two rounds since February 2026China's yttrium-relevant export control instruments, 2025 to 2027202520262027Item licensing, No. 18 of 2025In force since 4 Apr 2025 \[28\]Extraterritorial rules, Oct 2025Suspended to 10 Nov 2026 \[43\]Japan end-use ban, No. 1 of 2026From 6 Jan 2026 \[8\]\[9\]Lists, 24 Feb 2026 (Nos. 11, 12)Lists, 29 Jun 2026 (Nos. 27, 28)Reporting channel, 1 Jul 2026 (No. 26)TodayEach listing round named 20 Control List and 20 Watch List entities; the first barred aero-engine units of MHI, IHI and KHI \[10\]\[13\], the second named Mitsui E&S \[11\]\[12\].Watch List entities lose general licences and face reviews with no statutory deadline. The open-ended military-capability test is why the cutoff reaches civilian buyers thelists do not name.09DESTINATION DIFFERENTIATIONChina rations yttrium by destination: Korea receives record volumes whileJapan received 4 t in SeptemberSOUTH KOREALargest destinationAbove pre-control levelsRecord controlled rare earthintake, Apr 2026 \[36\]Stable import unit values \[3\]EUROPEAN UNIONSecond largestSteadySecond destination forcontrolled rare earths, Aug2026 \[3\]UNITED STATESPolitically timedIntermittent60 t yttrium oxide in Mar, 29 t inJul 2026 \[45\]≈6 t controlled items in Aug,mostly lutetium \[3\]JAPANNear zeroCut off4 t in Sep 2026 vs 51 t a yearearlier \[1\]Beijing cites remilitarisation \[1\]No evidence was found that Korean intake is re-exported to Japan; third-country liability under Announcement No. 1 and the reporting channel under No. 26 deter it\[9\]\[37\].10EX-CHINA SUPPLYLynas is the only funded ex-China source of separated yttrium, and its firstoutput is a target for early 2028LYNAS MALAYSIA (ASX:LYC)Only commercial heavy rare earth separator outside China \[24\]HEAVY RARE EARTH CIRCUIT1,500 t/yr; separated Dy and Tb since May to June 2025 \[25\]ESTABLISHEDOPERATING PERMITExtended ten years, to 2036 \[25\]ESTABLISHEDEXPANSION COSTEstimate raised to ≈A$294M from A$180M, Jul 2026 \[6\]\[26\]MODELEDSEPARATED YTTRIUMManagement targets early calendar 2028 \[6\]NOT YETOTHER EX-CHINA CANDIDATESCaremag, Lacq (France)NOT YET600 t/yr Dy and Tb oxides planned; half contracted toJapanese investors; no yttrium \[5\]ReElement Technologies (private, US)REPORTEDTold Reuters it would make 200 to 400 t/yr of Y2O3; ratesunconfirmed \[27\]JOGMEC stockpileNOT YETYttrium holdings undisclosed; no public release announced11MATERIAL RISKSA diplomatic thaw would break the thesis but looks unlikely beforemid-2027; project delay is the likeliest riskHighNoneNone5Medium236LowNoneNone14LowMediumHighIMPACTLIKELIHOODREGISTERIMPACT1Thaw restores licensing to JapanSignal: Chinese customs above ≈30 t a month to Japan2Transshipment via Korea or Southeast AsiaDeterred by third-country liability; trims the premium at most3Faster substitutionUnlikely within 12 months; gadolinium zirconate is also controlled \[28\]4Stocks outlast the disputeUndisclosed; officials warn of shortages by end-2026 \[7\]5Ex-China project delayLynas budget already up 63%; yttrium date is a target \[6\]\[26\]6Further listings or product controlsTwo listing rounds four months apart so far12IMPLICATIONSThere is no clean public-market way to own ex-China yttrium; the near-termwinners are Chinese powder makersLONG-DATED OPTIONLynas (ASX:LYC)Yttrium is a small revenue line,early 2028 at the earliestValue is heavy rare earthdiversificationNEAR-TERM SHARE GAINERSOrient Zirconic, SinoceraSZSE:002167 andSZSE:300285 buy oxide atdomestic pricesCarry Chinese governance andexport-cap riskEARNINGS RISKTosoh, DKKK, MitsuiKinzokuEach has a disclosed orreported yttrium constraint\[4\]\[29\]\[31\]AGC exposed but small relativeto its businessPROCUREMENT TEAMSQualify alternatives nowMap each Chinese-origin inputto its end use and counterpartyReported 6 to 18 monthrequalification exceeds thebuffer \[29\]CATALYST CALENDAR10 Nov 2026Suspension of China's Oct2025 controls lapses unlessextended \[43\]\[44\]≈20 Nov 2026Chinese customs data forOctober: watch for >30 t toJapanNov 2026Trump at APEC inShenzhen; truce now runs to10 Jan 2027 \[44\]\[46\]Dec 2026Xi at the G20 in Miami \[46\]Early 2027Japanese H2 2026 importdata: are the 12 originsscaling?WHAT WOULD CHANGE THE VERDICT1Chinese customs show more than about30 t of yttrium oxide a month to Japanesebuyers.2Chamber-coating or zirconia substitutesqualify faster than the 6 to 18 monthsreported.3Japanese stocks prove far deeper thanofficials' year-end shortage warningimplies.SOURCES AND NOTES\[1\] AFP via Malay Mail 2026, 21 Oct. \[2\] Rallies 2026, 20 Oct (Chinese customs). \[3\] Reid, David and Knipe, Silverado 2026, 22 Sep. \[4\] TrendForce 2026, 17 Aug (Nikkei, Ministry ofFinance). \[5\] Reuter, The Economy 2026, 19 Aug. \[6\] Reuters 2026, 22 Jul (Lynas quarterly). \[7\] Newsmax via Yahoo Finance 2026, 20 Oct (Financial Times, Argus). \[8\] ChemLinked2026\. \[9\] Greenberg Traurig 2026\. \[10\] CIRS 2026 (MOFCOM No. 11). \[11\]\[12\] ChemRadar 2026, 3 Jul (Nos. 27, 28). \[13\] Asian Metal 2026, 24 Feb (No. 12). \[14\] Chen,Mining.com.au 2026, 21 Oct. \[16\]\[17\] USPTO patents 8,097,077 and 6,749,653\. \[19\] Apodaca, Daily Caller News Foundation 2026 (Reuters, Honeywell). \[20\] Johnston, USGS MCS2026\. \[21\] AGC n.d. \[22\] Mitsui Kinzoku n.d. \[23\] Johnston, USGS MCS 2025\. \[24\] Szabo, Mining.com.au 2026\. \[25\] The Metalnomist 2026\. \[26\] Capital Brief 2026\. \[27\] Jackson et al.,Reuters 2025, 14 Nov. \[28\] MOFCOM and GAC 2025, No. 18\. \[29\] BigGo Finance 2026, 23 Jun. \[30\] Tiger Brokers n.d. (CITIC Securities). \[31\] JSIGNAL 2026 (DKKK securitiesreport). \[33\] Reuters 2026, 26 Feb. \[36\] Silverado 2026, May. \[37\] Morgan Lewis 2026\. \[38\] Webull n.d. (CITIC Construction Investment). \[41\] Zhitong Finance 2026 (CITIC Securities).\[43\] China Briefing 2025\. \[44\] FXStreet 2026, 14 Oct. \[45\] Rare Earth Exchanges 2026, 14 Sep. \[46\] Kagan et al., CSIS 2026, 28 Sep. Numbers match the companion report's referencelist.Trade figures are gross product weight unless stated as Y2O3 equivalent; Chinese export and Japanese import series do not reconcile. Prices are agency assessments in a thin marketand are indicative. Run rates, the import gap, multipliers and per-kilogram yttria costs are DataDeep.Tech arithmetic. Japanese stockpiles are undisclosed. Company figures are asasserted and not independently verified unless stated.DataDeep.TechSupply chain briefing | October 22nd, 2026 

## 2\. Background

Pure zirconia changes crystal phase on cooling, and the volume change cracks sintered parts; doping with yttria (Y2O3) retains the tougher tetragonal or ionically conductive cubic phase at room temperature. Patent filings record Tosoh's TZ-3Y, the standard partially stabilized 3 mol% structural and dental grade, at about 5.1 wt% Y2O3 \[16\], and its fully stabilized TZ-8Y, used as an oxygen-ion conductor, at a nominal 13.3 wt% Y2O3 \[17\]. Tosoh has also introduced a 1.5 mol% grade that it describes as the lowest yttria content yet sintered with competitive strength and toughness, which matters here as a demonstrated route to thrifting yttrium \[18\]. Thermal barrier topcoats on turbine blades and vanes use 6 to 8 percent yttria-stabilized zirconia, which **Honeywell (NASDAQ:HON)** describes as its predominant aerospace coating \[19\]. The US Geological Survey notes that calcium oxide or magnesium oxide can replace yttria as a zirconia stabilizer, but that the substitutes generally impart lower toughness \[20\].

In semiconductor etch and deposition chambers, fluorine- and chlorine-based plasmas erode chamber walls and shed particles onto wafers, and yttrium oxide and yttrium oxyfluoride coatings are used because they resist that erosion. **AGC (TSE:5201)** markets ion-assisted-deposition Y2O3 and Y5O4F7 coatings for chamber top plates, side walls, stages, and viewing windows, and claims plasma resistance about 100 times that of thermal-sprayed coatings on its own testing \[21\]. The Rare Material Division of Mitsui Mining and Smelting **(Mitsui Kinzoku, TSE:5706)** supplies yttrium oxide, yttrium aluminate, and yttrium oxyfluoride granules for thermal spraying and sintered parts in plasma-exposed semiconductor equipment \[22\].

Yttrium is rarely mined for its own sake; it is recovered during heavy rare earth separation. The USGS identifies the weathered ion-adsorption clays of Fujian, Guangdong, and Jiangxi, with lesser deposits in Guangxi and Hunan, as the source of most world supply, alongside similar clays in Burma \[23\]. In light rare earth ores the element is a trace constituent, about 0.12 percent of the rare earths in Mountain Pass bastnaesite \[20\]. The 2010 Senkaku episode matters for the posture it left behind: Nomura Research Institute estimates that China's share of Japan's total rare earth imports fell from about 90 percent to about 60 percent, but dependence for the heavy rare earths remained close to 100 percent, so diversification protected light rare earth supply far more than yttrium \[5\].

---

## 3\. The Yttrium Supply Chain Map

### 3.1 Feedstock

The USGS estimates 2025 world mine production of yttrium contained in rare earth concentrates at 10,000 to 15,000 tons Y2O3 equivalent, with China producing most of it and Burma a significant share, while China's Ministry of Industry and Information Technology released no public 2025 quotas \[20\]. Global yttrium reserves are not quantified, but the USGS records large resources in monazite, xenotime, carbonatites, and ion-adsorption clays worldwide \[20\]. Mining is therefore not the binding constraint: concentrates can be produced in several jurisdictions, and the difficulty remains in converting them into separated, high-purity oxide.

### 3.2 Separation and refining

Separation is the bottleneck. The USGS reports no fully commercial yttrium separation or refining facility in the United States and states that nearly all US imports of yttrium metal and compounds derive from concentrates processed in China \[20\]. The International Energy Agency puts China's share of global refined rare earth output at 92 percent \[1\]. Chinese heavy rare earth separation is concentrated in state-owned groups, principally China Rare Earth Group, whose listed arm is **China Rare Earth Resources and Technology (SZSE:000831)**, with **China Northern Rare Earth (SSE:600111)** dominant in light rare earths.

Outside China, the defining asset is Lynas's Malaysian refinery. Lynas describes itself as the only commercial producer of separated heavy rare earth oxides outside mainland China, produced its first samarium oxide in March 2026, and lists yttrium in the initial flowsheet of its expanded heavy rare earth facility \[24\]. The company built a 1,500 t/yr heavy rare earth separation circuit in 2025, began separated dysprosium and terbium output in May and June 2025, and received a ten-year extension of its Malaysian operating permit to 2036 \[25\]. In its July 22, 2026 quarterly report, Lynas raised the estimated cost of the Malaysian heavy rare earth expansion to nearly 294 million AUD from 180 million AUD and guided to first [gadolinium](https://datadeep.tech/industrial-elements/#mode=engineering&element=Gd) in early fiscal 2028 and first yttrium in early calendar 2028 \[6\]. Management attributed the increase to additional equipment for customer purity specifications and the higher cost of sourcing equipment outside China \[26\]. These are management targets rather than demonstrated production, and yttrium will be a small part of the facility's revenue.

Japan's main lever on this asset is offtake. **Japan Australia Rare Earths**, a joint venture of **Sojitz (TSE:2768)** and the state-owned J**apan Organization for Metals and Energy Security (JOGMEC)**, has reportedly secured 75 percent of Lynas's medium and heavy rare earth output \[5\]. Other ex-China projects do not yet address yttrium. Caremag's planned recycling and refining plant at Lacq, France, backed by JOGMEC and **Iwatani (TSE:8088)**, targets 600 tons of dysprosium and terbium oxides with half contracted to Japanese investors, and had not begun operations as of August 2026 \[5\]. ReElement Technologies, a private US recycler, told Reuters in November 2025 that it planned to produce yttrium oxide at 200 tons per year by December 2025 and 400 tons per year by March 2026 \[27\]; no independent source was identified confirming that it has reached those rates.

### 3.3 Intermediate products

Japan's comparative advantage lies in turning oxide into engineered powders and coatings. **Tosoh (TSE:4042)** and **Daiichi Kigenso Kagaku Kogyo (DKKK, TSE:4082)** are the principal Japanese zirconia powder producers, and Chinese financial press reports that the two together hold 50 to 70 percent of the global market for high-end medical-grade zirconia powder \[29\]; no independent source was identified for that share. Mitsui Kinzoku converts oxide into thermal-spray and plasma-resistant powders, and AGC applies coatings directly to chamber components \[21\]\[22\]. Importing intermediates does not escape the controls. MOFCOM and General Administration of Customs Announcement No. 18 of 2025 covers yttrium metal, yttrium-aluminum, yttrium-magnesium, yttrium-nickel, yttrium-copper, and yttrium-iron alloys, yttrium and yttrium-zirconium alloy targets, yttrium oxide and its mixtures, and yttrium-containing compounds and their mixtures \[28\].

### 3.4 Zirconia ceramics: most exposed

Zirconia is the most exposed segment because it consumes the most yttrium by tonnage, because yttrium has become a material share of its cost, and because capable Chinese competitors buy oxide at domestic prices. At the 5.1 wt% loading of a 3Y powder, the yttria in one kilogram of powder cost about 0.46 USD at the USGS-reported 2025 average of 9 USD per kilogram FOB China \[16\]\[20\]. At Argus's October 2026 ex-China assessment of about 1,150 USD per kilogram, the same yttria costs about 59 USD, and for an 8Y electrolyte grade at 13.3 wt% about 153 USD \[7\]\[17\]. This is the report's own arithmetic, not a reported figure. It renders obsolete a CITIC Securities estimate that yttrium oxide is about 5 percent of zirconia powder cost at baseline prices \[30\].

The operational effects are already visible. DKKK's annual securities report for the year to March 2026, filed June 15, 2026, states in its risk factors (as summarized by the disclosure service JSIGNAL) that yttrium and heavy rare earths are sourced almost exclusively from China and that continued restrictions could severely constrain supply of affected products and reduce sales \[31\]. A leading Chinese dental consumables maker confirmed on an investor-relations platform on June 17, 2026 that Tosoh had notified it of a halt to high-end zirconia powder shipments to China, which Chinese financial press attributed to Tosoh's yttrium oxide shortage \[29\]. The same reporting cites industry estimates that switching powder suppliers in dental and electronic ceramics requires 6 to 18 months of testing and qualification \[29\]; that figure is an industry assertion. Substitutes exist but cost performance: calcia- and magnesia-stabilized zirconia sacrifice toughness \[20\], while lower-yttria grades such as Tosoh's 1.5 mol% powder reduce intensity without eliminating it \[18\]. Relocating powder synthesis offshore does not solve the problem for Japanese-owned plants, because Announcement No. 1 holds third-country parties liable for transferring Chinese-origin dual-use items to prohibited Japanese end uses \[9\].

### **3.5 Semiconductor equipment coatings: highest intensity, best ability to pay**

Coating powders are essentially pure yttrium compounds, so yttrium intensity per unit of coating is the highest of the three segments. Coating mass per chamber part is small and the parts are high value, however, so even a hundredfold oxide price is a manageable cost increase for fabs; the binding risk is physical availability. Nikkei reported in August 2026, as summarized by TrendForce, that Mitsui Kinzoku had planned to make rare earth materials for chipmaking equipment at its Fukuoka plant from Chinese yttrium but that insufficient supply left it little capacity for exports, while AGC had seen no production disruption but was exploring materials from outside China \[4\]. Mitsui Kinzoku is also reported to be considering closing a rare earth sales office it opened in Liaoning in April 2026 \[5\]. Exposure passes to equipment makers through their parts and refurbishment suppliers: Lam Research (NASDAQ:LRCX) states in its fiscal 2026 Form 10-K that China is the primary source of certain rare earth elements critical to the manufacture of certain of its products \[32\]. Applied Materials (NASDAQ:AMAT) makes a parallel disclosure: its Form 10-K for the fiscal year ended October 26, 2025 states that the Chinese government implemented export controls in 2025 on rare earth minerals used in certain of its products and may implement additional controls \[47\]. Tokyo Electron (TSE:8035), the tool maker most directly in the path of the Japanese cutoff, is less explicit. In its fiscal 2026 results presentation (year ended March 2026), management attributed a 1.8-percentage-point fall in gross margin to 45.3 percent partly to soaring costs of parts and materials, said it had secured the parts and materials needed for tools to be sold in the first half of fiscal 2027, and framed its supply-disruption concern around a possible blockade of the Strait of Hormuz rather than Chinese export controls \[48\]\[48\]. Both US tool makers name Chinese rare earth controls as a supply risk, while the Japanese tool maker whose domestic parts suppliers face the sharpest cutoff does not single them out in the materials reviewed, which is consistent with either adequate inventory cover or a disclosure lag. Reasoning forward, a change of chamber coating chemistry requires requalification with tool makers and fabs, so substitution in this segment is likely to be measured in quarters to years rather than weeks.

### 3.6 Turbine thermal barriers: smallest tonnage, most legally foreclosed

Thermal barrier coatings consume the least yttrium of the three segments, but their Japanese users are the most directly foreclosed. MOFCOM Announcement No. 11 of February 24, 2026 placed **Mitsubishi Heavy Industries** Aero Engines, Mitsubishi Heavy Industries Engine and Turbocharger, Kawasaki Heavy Industries Aerospace Systems Company, and six **IHI subsidiaries** (IHI Power Systems, IHI Master Metal, IHI Jet Service, IHI Aerospace, IHI Aero Manufacturing, and IHI Aerospace Engineering) on its Export Control List \[10\]. Listing bans all dual-use exports to those entities, so no relocation strategy reaches them. Substitution is slowest here because aviation coatings are certified: Reuters reported in September 2026 that aerospace suppliers were testing zirconia coatings stabilized with magnesium or calcium, technology dating to the 1970s and 1980s, and attempting to recycle coating material \[19\]. The North American precedent shows the stakes: executives at two North American coating producers told Reuters in February 2026 that they had temporarily paused production for lack of yttrium \[33\], and Chinese yttrium shipments to the United States fell to 17 tons in the eight months after the April 2025 controls from 333 tons in the eight months before, according to Reuters reporting of Chinese customs data \[34\]. **GE Vernova (NYSE:GEV)** said it held enough inventory to carry it into 2026 and was working with the US government to increase stocks \[19\].

---

## 4\. Supply, Demand, and Pricing

### 4.1 Global flows and Japan's baseline

The USGS estimates that China exported about 3,100 tons Y2O3 equivalent of yttrium compounds and metal in 2024, with Japan the leading destination ahead of the United States, the Netherlands, and Korea \[23\]. For 2025 the estimate falls to 1,600 tons, with Japan again first, followed by Korea, the United States, and Germany \[20\]. Silverado identifies Japan, the United States, the European Union, and Korea as China's four principal yttrium destinations before the controls, and records a sharp fall in shipments to Japan once the 2026 measures took effect \[35\]. Chinese customs data show yttrium oxide exports to Japan of 14.1 tons in January through May 2026 against 605.3 tons a year earlier \[14\]. Working back from the Ministry of Finance figures, Japan's first-half 2024 yttrium oxide imports were about 785 tons, implying roughly 1,500 to 1,600 tons per year before the cutoff; first-half 2026 imports of 204 tons annualize to about 400 tons, leaving a gap of roughly 1,100 to 1,200 tons per year \[4\]\[5\]. That calculation is the report's own. No authoritative breakdown of Japanese yttrium consumption by end market was identified; the ranking in Section 3 is inferred from loadings and industry structure.

### 4.2 Trade-data provenance

Chinese figures come from General Administration of Customs export statistics, reported in tons of yttrium oxide under the commodity codes that Announcement No. 18 lists for item 1C908.b (2846901100, 2846901993, and 3824999922 for mixtures) \[28\]. Japanese figures are Ministry of Finance import statistics as reported by Nikkei and TrendForce \[4\]\[5\]. Both are gross product weight, while USGS figures are Y2O3 equivalent. The two series do not reconcile: China recorded 14.1 tons to Japan in January through May 2026 \[14\], while Japan imported 204 tons in the first half from all origins \[4\]. Silverado finds that Japanese statistics still show some Chinese-origin yttrium oxide arriving, at sharply higher unit values, while Korean import unit values have stayed comparatively stable \[3\]. That pattern is consistent with Chinese-origin material reaching Japan indirectly, through earlier licences, or under origin rules that differ from China's destination reporting. No source accessed for this report itemizes Japan's 12 non-Chinese origins. Of the plausible candidates, only Malaysia, through Lynas, operates commercial heavy rare earth separation outside China, and Lynas does not yet produce separated yttrium \[6\]; the available evidence therefore suggests that most of the alternative origins are processors or re-exporters of Chinese material rather than primary producers, though this is an inference rather than a verified finding.

### 4.3 The Korean route

China's exports of export-controlled rare earth compounds and metals to South Korea reached record levels in April 2026 \[36\]. In July, Korea received all 11 tons of China's dysprosium exports and was a major destination for yttrium \[15\]; in August it was China's largest destination for yttrium, and Korean import data show its highest yttrium oxide imports from China in July 2026 \[3\]. This report found no evidence that Korean intake is being re-exported to Japan. The legal deterrent is substantial: Announcement No. 1 prohibits third-country transfers to restricted Japanese end uses \[9\], and MOFCOM Announcement No. 26 of 2026, effective July 1, 2026, created a public reporting mechanism for violations of strategic mineral export controls \[37\]. Leakage through Korea is possible but unproven, and small relative to the gap.

### 4.4 Pricing mechanism and divergence

Yttrium has no exchange contract; it trades bilaterally and is assessed by agencies such as Argus, Asian Metal, Shanghai Metals Market, and Baichuan, often on few transactions. The USGS, citing Argus, reports a 2025 average of about 9 USD per kilogram for 99.999 percent Y2O3 FOB China \[20\]. Outside China the price has risen in steps. Reuters reported in November 2025 that European yttrium oxide had risen 4,400 percent since January to 270 USD per kilogram on Argus data, while Chinese prices were about 7 USD \[27\]. In February 2026 Reuters reported prices up a further 60 percent and about 69 times their level a year earlier \[33\]. Asian Metal data cited in Chinese financial press put overseas yttrium oxide at 441 USD per kilogram in May 2026 against 7.9 USD in January 2025, while Chinese domestic prices rose only from 41,480 to 58,980 yuan per ton \[29\]. A CITIC Construction Investment note quoted Chinese domestic oxide at about 55,000 yuan per ton, Rotterdam port stock at 457.50 USD per kilogram, and a Baichuan European assessment at 1,175 USD per kilogram at the same time \[38\]. By October 2026 Argus placed ex-China oxide at about 1,150 USD per kilogram against about 9 USD inside China \[7\]. The more than twofold spread between simultaneous ex-China assessments shows that the market is too thin to treat any single figure as a clearing price, but the direction is unambiguous: an ex-China premium that did not exist before April 2025 now exceeds 100 times, while the Chinese domestic price has barely moved, held down by supply that cannot leave the country.

### 4.5 Non-Chinese cost structure

No ex-China separator discloses a yttrium-specific production cost. Because yttrium is a co-product, its marginal cost is low once a heavy rare earth circuit runs for dysprosium and terbium, so the economics of new capacity are set by the heavy rare earth basket and by offtake terms rather than by yttrium alone. The direction of capital cost is upward: Lynas's 63 percent overrun was attributed in part to the higher cost of sourcing equipment outside China \[26\]. Reasoning forward, yttrium at current prices would not by itself justify a new separation circuit, because the ex-China premium could collapse whenever China relicenses.

---

## 5\. Key Players

### 5.1 Japanese consumers

The cutoff is now a disclosed business risk across Japanese industry. A Reuters review found that more than two-thirds of nearly 200 Tokyo Stock Exchange filings mentioning rare earths in May and June 2026 said export controls were affecting, or could affect, the filer's business, against fewer than 40 such mentions per month over the previous decade \[39\]. **Citizen Watch (TSE:7762)** warned on June 23, 2026 that prolonged restrictions could affect its production and financial performance, though it told Reuters it had seen no effect so far \[39\].

Exposure has been verified for four companies. Tosoh's halt of high-end zirconia powder shipments to China, attributed to yttrium shortage, was confirmed by a Chinese customer and reported in Chinese financial press \[29\]\[38\]; Tosoh's own disclosure on the matter was not available to this report. DKKK's securities report describes almost exclusive Chinese sourcing of yttrium \[31\]. CITIC Securities argued in January 2026 that DKKK and Tosoh could be caught by the controls because their websites describe direct or indirect involvement in military products \[40\]; that is a broker inference, and neither company appears on the Control or Watch List entity names this report reviewed \[10\]\[13\]. Mitsui Kinzoku's yttrium constraint on chip-equipment materials is reported by Nikkei \[4\]\[5\], and AGC uses yttrium coatings for chipmaking equipment but had reported no disruption as of August 2026 \[4\].

Other named companies are exposed through different channels. **Shin-Etsu Chemical (TSE:4063)** has reportedly suspended new orders for dysprosium-containing magnets and plans a refining facility in Fukui Prefecture costing at least 220 million USD, half funded by the Japanese government \[5\]; its yttrium-specific exposure could not be verified. Mitsubishi Heavy Industries (TSE:7011), IHI (TSE:7013), and **Kawasaki Heavy Industries (TSE:7012)** are exposed through listing rather than tonnage, since their aero-engine and power-systems subsidiaries are barred from all Chinese dual-use items \[10\]. For these conglomerates the issue is a defense supply-chain constraint embedded in much larger businesses and is probably not decisive for the equities.

### 5.2 Chinese producers

The likely near-term share-gainers are Chinese zirconia powder producers that buy yttrium oxide at about 8 USD per kilogram. CITIC Securities expects disruption at Japanese producers to accelerate share gains by Chinese zirconia powder makers \[41\], and Chinese zirconia stocks including **Orient Zirconic (SZSE:002167)** hit their daily limits after the Tosoh halt was confirmed in June 2026 \[29\]. Shandong **Sinocera Functional Material (SZSE:300285)**, a producer of zirconia powders, is another candidate. These views come from Chinese sell-side research and market commentary, but they fit the cost arithmetic in Section 3.4\. Chinese state-owned separators gain pricing power more than volume, because licensing caps what they can sell abroad.

### 5.3 Ex-China supply

Lynas is the only listed company with a permitted and funded path to separated ex-China yttrium, and that path runs to early 2028 \[6\]\[25\]. ReElement Technologies stated yttrium oxide rates are unconfirmed \[27\]. JOGMEC through its stockpiles, whose yttrium holdings are undisclosed, and its co-ownership of Japan Australia Rare Earths with Sojitz \[5\]. Pending further research on saleable yttrium oxide output from Neo Performance Materials (TSX:NEO), Iluka Resources (ASX:ILU), Solvay, and Energy Fuels.

---

## 6\. Geopolitical and Policy Dimensions

### 6.1 Legal architecture

The regime rests on the 2020 Export Control Law and the December 2024 Regulations on the Export Control of Dual-Use Items, applied to yttrium in two layers. The first is item licensing: Announcement No. 18 of April 4, 2025 placed samarium, [gadolinium](https://datadeep.tech/industrial-elements/#mode=engineering&element=Gd), terbium, dysprosium, lutetium, scandium, and yttrium under export licensing \[28\]. The 2026 Catalogue of Dual-Use Items and Technologies Subject to Import and Export Licensing, issued December 31, 2025 and effective January 1, 2026, carries these entries forward, and requires a licence whenever an item matches a listed description, whether or not its customs code is named \[42\]; CITIC Securities confirms that yttrium oxide and its mixtures are on the 2026 catalogue \[41\]. China's separate October 2025 expansion to further elements and extraterritorial items was suspended through November 10, 2026 \[43\]. The broader US-China truce has since been extended to January 10, 2027, but whether Beijing will extend the November 10 suspension to match was still undecided in mid-October \[44\]. Lam Research's 10-K likewise describes the extraterritorial controls as suspended in part until November 2026 unless extended \[32\]. The April 2025 item controls were never suspended.

The second layer is end-user control aimed at Japan. Announcement No. 1 of January 6, 2026 bans dual-use exports to Japanese military end users, military end uses, and any other end use that enhances Japan's military capabilities, and makes organizations in any country liable for transferring Chinese-origin dual-use items to Japan in violation of the rules \[8\]\[9\]. On February 24, 2026 MOFCOM added 20 Japanese entities to its Export Control List under Announcement No. 11 \[10\] and 20 to its Watch List under Announcement No. 12, including Subaru (TSE:7270), TDK (TSE:6762), and Mitsubishi Materials (TSE:5711) \[5\]\[13\]. On June 29, 2026 it added 20 more to the Control List under Announcement No. 27, including Japan's National Institute for Defense Studies \[11\], and 20 to the Watch List under Announcement No. 28, including Mitsui E&S (TSE:7003) \[12\]. Control List entities are barred from all Chinese dual-use items. Watch List entities lose general licences; exporters must seek individual licences, file a risk assessment, and provide written commitments of non-military use \[13\], and licence reviews for these entities are not subject to the regulation's statutory time limit \[12\]. The catch-all language is what gives Beijing discretion over civilian Japanese buyers: the evidence suggests that Chinese exporters facing an open-ended test of whether a sale enhances military capability decline Japanese orders rather than risk liability, which is why the cutoff exceeds what the entity lists alone would imply.

### 6.2 Differentiation by destination

China is visibly discriminating among destinations. Korea was the largest destination for controlled rare earth compounds and metals in August 2026, with the European Union second \[3\]. The United States receives intermittent, politically timed shipments: 60 tons of yttrium oxide in March and 29 tons in July \[45\], then about 6 tons of controlled compounds and metals in August, nearly all lutetium oxide \[3\]. Japan receives close to nothing. Silverado concludes that China has exported just enough to keep the bilateral pause with Washington intact while keeping volumes low and unpredictable \[3\]. On October 21, 2026, Chinese foreign ministry spokeswoman Mao Ning said the Japan measures aim at curbing Japan's attempts at remilitarisation and possessing nuclear weapons \[1\]. That framing ties relief to Japanese security policy, which makes a quick reversal unlikely.

### 6.3 Japan's response and US coordination

The dispute originated in Prime Minister Sanae Takaichi's November 7, 2025 parliamentary remarks on a Taiwan contingency \[5\]. In September 2026, US Energy Department and Japanese industry ministry officials met in Washington through a critical minerals rapid response group, and Japan used the meeting, two weeks before the summit, to stress its dwindling yttrium supplies \[7\]. At the September 23 to 25 state visit, Xi did not publicly address US concerns about rare earths, and the summit extended the truce by a few months \[46\]. No change in yttrium licensing to Japan followed, as the September customs figure shows \[1\]. Tokyo has since asked both the US government and major American companies to press Beijing \[7\], and a METI official told AFP that yttrium exports had stalled not only to Japan but worldwide \[1\]. Takaichi described yttrium in July as globally scarce \[1\]. Japan's other levers are slow: JOGMEC stockpile drawdown, whose yttrium volumes are undisclosed; offtake from Lynas and Caremag; and the **Minamitorishima seabed** rare earth project, targeted for commercial use only after 2028 \[5\]. This report found no public JOGMEC announcement of a yttrium-specific stockpile release.

---

## 7\. Material Risks

A diplomatic thaw that restores licensing to Japanese civilian buyers is the risk that would break the thesis. This report judges it unlikely before mid-2027, because Beijing ties the measures to Taiwan and to Japanese remilitarisation \[1\] and the controls have tightened in two rounds since January \[10\]\[11\]\[12\]\[13\], but its impact would be high. China has shown that it can release volumes quickly when it chooses, as with the March and July shipments to the United States \[45\]. A comparable release to Japan would compress ex-China prices sharply and erode both Chinese zirconia share gains and the yttrium option in Lynas. The observable signal is a monthly Chinese customs figure for yttrium oxide to Japan above roughly 30 tons. Investors can mitigate the risk by sizing positions as options and by recognizing that Japanese consumers, not miners, would re-rate on a thaw.

Transshipment leakage through Korea or Southeast Asia is moderately likely at small scale and would have low to moderate impact. Japanese import data already show Chinese-origin material arriving at elevated unit values \[3\], but large-scale rerouting is deterred by third-country liability under Announcement No. 1 \[9\] and by the public reporting mechanism under Announcement No. 26 \[37\]. Leakage would mainly trim the ex-China premium at the margin.

Faster-than-expected substitution is unlikely within twelve months but becomes moderately likely over three years. In chamber coatings, adoption depends on tool and fab requalification; in dental and structural zirconia, alternative stabilizers sacrifice toughness \[20\] and suppliers must requalify with customers over a reported 6 to 18 months \[29\]; and the most widely studied alternative topcoat, gadolinium zirconate, relies on [gadolinium](https://datadeep.tech/industrial-elements/#mode=engineering&element=Gd), which sits under the same April 2025 controls \[28\]. Yttrium thrifting, as in Tosoh's 1.5 mol% grade \[18\], reduces intensity without removing dependence.

The possibility that inventory depth outlasts the dispute is the least observable risk, because Japanese stockpiles are undisclosed. Reasoning forward from the import figures in Section 4.1, Japan's net shortfall is roughly 95 to 100 tons per month. If officials' warning of shortages before year-end is accurate \[7\], combined national and commercial stocks at the start of 2026 would have been in the order of 1,100 to 1,200 tons, roughly eight to nine months of pre-cutoff demand. Firm-level positions vary widely: Chinese financial press cites industry estimates that stocks at some Japanese zirconia producers covered only 30 to 45 days of production by mid-2026 \[29\]. Either way, the aggregate buffer appears unlikely to outlast a dispute with no visible path to resolution.

Delay at ex-China projects is likely, given the industry's history, and would have high impact on the long-dated part of the thesis. Lynas's yttrium timing is a management target, not a demonstrated rate, and its expansion budget has already risen 63 percent \[6\]\[26\]. Further extension of controls, either to more Japanese entities or to downstream products such as yttria-stabilized powders or coated parts, is moderately likely given the four-month interval between the February and June listing rounds, and would deepen the exposure of Japanese consumers. A separate escalation risk falls on November 10, 2026, when the suspension of China's October 2025 extraterritorial controls lapses unless extended \[43\]\[44\].

---

## 8\. Implications

### 8.1 For investors

The clearest finding is that there is no simple public-market way to own ex-China yttrium today. Lynas is the only listed company with a permitted, funded plan to separate yttrium, but yttrium will be a small revenue line arriving in early 2028 at the earliest \[6\], so buying Lynas on this thesis is buying a long-dated option on heavy rare earth diversification, not near-term yttrium exposure. The more direct near-term beneficiaries are Chinese zirconia powder producers such as Orient Zirconic and Sinocera, whose input cost advantage over Japanese rivals has grown, on this report's arithmetic, from under 1 USD to roughly 58 USD per kilogram of 3Y powder. Investors in those names accept Chinese-equity governance risk and the policy risk that Beijing caps downstream exports too. On the underweight side, Tosoh, DKKK, and Mitsui Kinzoku carry the most direct earnings risk, each with a disclosed or reported yttrium constraint \[4\]\[29\]\[31\]; AGC's exposure is real but small relative to its business. For Mitsubishi Heavy Industries, IHI, and Kawasaki Heavy Industries, the listing of aero-engine subsidiaries is a defense supply-chain problem that is unlikely to move the equities on its own.

The catalysts, in order, are Chinese customs data for October 2026, expected around November 20; the November 10, 2026 lapse of the suspension of China's October 2025 controls unless extended \[43\]\[44\]; President Trump's planned November visit to Shenzhen for the APEC leaders' meeting and Xi's December trip to Miami for the G20 \[46\]; Japanese Ministry of Finance data for the second half of 2026, which will show whether the 12 alternative origins are scaling; any further MOFCOM listing round; and Lynas quarterly reports tracking the heavy rare earth expansion against its early-2028 yttrium target \[6\]. The thesis fails if Beijing resumes licensing to Japanese civilian users, if chamber-coating substitution proves faster than qualification history suggests, or if undisclosed Japanese stocks prove far deeper than officials now imply.

### 8.2 For procurement and supply chain strategists

This second audience earns inclusion because, for a chokepoint material, the decisions that matter are operational and are being taken now. Strategists at yttrium-dependent manufacturers should map every Chinese-origin yttrium input to its legal end use under Announcement No. 1 and to any listed counterparty, and should begin qualifying at least one non-yttrium or non-Chinese alternative for each critical part immediately, because qualification lead times of 6 to 18 months reported for zirconia powders \[29\] exceed the probable horizon of Japan's aggregate stockpile.

---

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\[2\] Rallies. 2026\. "China Keeps Yttrium Exports to Japan Restricted in September." October 20\. https://rallies.ai/news/china-keeps-yttrium-exports-to-japan-restricted-in-september-a71f79290eeecc13

\[3\] Reid, Meagan, Andy David, and Andrew Knipe. 2026\. "Trump/Xi Meeting Set Against Backdrop of Sustained Restrictions on Chinese Exports of Rare Earths." Silverado Policy Accelerator, September 22\. https://silveradopolicy.substack.com/p/trumpxi-meeting-set-against-backdrop

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\[21\] AGC Inc. n.d. "Yttrium Coating (Y2O3/Y5O4F7)." Product information. https://www.agc.com/en/products/new\_markets/detail/yttria-coating.html

\[22\] Mitsui Kinzoku. n.d. "Oxides and Rare Earth Compounds." Rare Material Division product information. https://em.mitsui-kinzoku.com/en/rare-material/products/oxide-rare-earth-compounds/

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\[29\] BigGo Finance. 2026\. "Japan's Tosoh Forced to Halt Supply, Zirconia Sector Hits Limit-Up as Global Dental Materials Supply Chain Faces Historic Reshuffle." June 23\. https://finance.biggo.com/news/336886b5-1777-452c-aeb3-4e3c691241ff

\[30\] Tiger Brokers. n.d. "Overseas Yttrium and Scandium Shortages Worsen, Strong Outlook for Zirconia Producers." Summary of CITIC Securities research. https://www.itiger.com/news/1106224426

\[31\] JSIGNAL. 2026\. "Daiichi Kigenso Kagaku-Kogyo Co., Ltd.: Annual Securities Report, 70th Term (April 1, 2025 to March 31, 2026)." Summary of EDINET filing, June 15\. https://jsignal.jp/share.php?id=546292&lang=en

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\[33\] Reuters. 2026\. "Rare Earth Shortages Worsen in US Aerospace, Chips despite Trade Truce." Mining.com, February 26\. https://www.mining.com/web/rare-earth-shortages-worsen-in-us-aerospace-chips-despite-trade-truce/

\[34\] SuperKalam. 2026\. "Rare Earth Shortages Worsen in US despite Trade Truce." Summary of Reuters reporting, February 27\. https://superkalam.com/current-affairs/27-02-2026/rare-earth-shortages-worsen-in-us-despite-trade-truce-pg16-497b2f11-4997-42f5-a6d6-49fa46a5c710

\[35\] Silverado Policy Accelerator. 2026\. "China's Yttrium Exports Remained Depressed in Q2 2026." July 28\. https://silverado.org/media/chinas-yttrium-exports-remained-depressed-q2-26/

\[36\] Silverado Policy Accelerator. 2026\. "China's Global Exports of Rare Earths: May 2026 Update." May. https://silverado.org/media/china-global-exports-of-rare-earths-may-2026-update/

\[37\] Morgan Lewis. 2026\. "Recent China Export Control Actions Signal Active Enforcement for Rare Earths and Strategic Minerals." July. https://www.morganlewis.com/zh-cn/pubs/2026/07/recent-china-export-control-actions-signal-active-enforcement-for-rare-earths-and-strategic-minerals

\[38\] Webull. n.d. CITIC Construction Investment research note on Tosoh zirconia powder supply suspension and yttrium oxide prices. https://www.webull.com.au/news-detail/15098141327131648

\[39\] Sugiyama, Satoshi, and Hina Suzuki. 2026\. "Corporate Japan's Rare-Earth Warnings Get Louder as China Keeps the Spigot Closed." Reuters, July 7\. Via The Spokesman-Review. https://www.spokesman.com/stories/2026/jul/06/corporate-japans-rare-earth-warnings-get-louder-as/

\[40\] Zhitong Finance. 2026\. CITIC Securities research note on MOFCOM dual-use controls and Japanese zirconia producers (Chinese-language edition). Webull, January. https://www.webull.ca/zh-hant/news-detail/14158291619562496

\[41\] Zhitong Finance. 2026\. "CITIC Securities: Ministry of Commerce Strengthens Export Controls on Dual-Use Items and Is Optimistic about Investment Opportunities in Zirconia from Japan." Webull, January 7\. https://www.webull.ca/news-detail/14158433003930624

\[42\] Ji, Sundae. 2026\. "China Issues 2026 Catalogue of Dual-Use Items and Technologies Subject to Import and Export Licensing." ChemLinked, January 4\. https://chemical.chemlinked.com/news/chemical-news/china-issues-2026-catalogue-of-dual-use-items-and-technologies-subject-to-import-and-export-licensing

\[43\] China Briefing. 2025\. "How Will China's Rare Earth Export Controls Impact Industries and Businesses?" Updated November 7\. https://china-briefing.com/news/chinas-rare-earth-export-controls

\[44\] FXStreet. 2026\. "China's Rare Earth Leverage Has an Expiration Date: November 10." October 14\. https://www.fxstreet.com/analysis/chinas-rare-earth-leverage-has-an-expiration-date-november-10-heres-what-beijing-is-deciding-202610141348

\[45\] Rare Earth Exchanges. 2026\. "Yttrium Becomes China's Precision Lever over U.S. Aerospace and Global Industry." September 14\. https://rareearthexchanges.com/news/yttrium-export-controls-china-aerospace/

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\[49\] BigGo Finance. 2026\. "\[8035.T\] Tokyo Electron Files Annual Securities Report for Fiscal Year Ending March 2026." June 22\. https://finance.biggo.com/news/ir\_8035.T\_20260622\_727d2020dd2c

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