China's Rare Earth Controls Reach Much Further Than EVs

The real chokepoint is performance, not geology

Rare earth exposure is easy to misunderstand because the 17 elements do not perform one common function. Neodymium and praseodymium provide much of the magnetic strength in high-performance NdFeB magnets. Dysprosium and terbium can be added to improve coercivity and help magnets retain performance at higher temperatures. Samarium-cobalt magnets offer a different combination of magnetic strength, temperature stability and corrosion resistance. Yttrium has important uses outside permanent magnets, including high-temperature coatings and materials used in semiconductor manufacturing.

This is why mining statistics alone understate the strategic concentration. The International Energy Agency estimated that China accounted for about 60% of global mined production of magnet rare earths in 2024, but approximately 91% of refined output and 94% of sintered permanent magnet production.[4] Permanent magnets account for roughly 95% of rare earth consumption by value, according to the same IEA analysis. The leverage therefore sits increasingly in separation, refining, alloy production and magnet manufacturing rather than simply in owning an ore body.[4]

The April 2025 controls were particularly important because they reached into finished or semi-finished materials. China's list explicitly includes samarium-cobalt permanent magnet materials and NdFeB permanent magnet materials containing dysprosium or terbium.[1] For manufacturers outside China, that means the relevant question is not simply whether they can buy neodymium. It is whether they can obtain a qualified magnet with the exact thermal, magnetic, geometric and reliability characteristics required by the application.

The same principle applies to yttrium. Reuters reported that China shipped 60 metric tons of yttrium oxide to the United States in March 2026, a sharp increase from the extremely depressed levels following the controls, yet U.S. imports from China were still down 75% from a year earlier. Yttrium oxide prices had risen about 6,900% in the 12 months through February.[5] That episode is useful because it shows how a market that is small in tonnage can become economically important when the material is embedded in products with far larger revenue pools.

The table should not be read as proof that every product made by each company contains a controlled rare earth. Product-level compositions are often proprietary, magnet grades vary, and many manufacturers offer architectures that use no rare earth magnets at all. The investment relevance comes from identifying where the material can enter the system and then determining which products and suppliers are actually exposed.

Robotics, wind and industrial motors share a motion-control problem

Robotics provides one of the clearest examples of how rare earth exposure extends beyond automobiles. Yaskawa says that the adoption of powerful neodymium-iron-boron permanent magnets helped drive dramatic improvements in servo motor miniaturization and responsiveness beginning in the 1990s.[6] FANUC similarly markets large servo motors that use neodymium magnets to combine high output with compact size.[7] These motors are the muscle behind automated machine tools, industrial robots and other systems that require precise control of position, speed and torque.

That does not mean every robot motor contains dysprosium or terbium. It does mean robotics sits downstream of the same NdFeB manufacturing ecosystem that uses those materials in some high-performance magnet grades. The IEA expects automation and robotics to become increasingly important sources of magnet rare earth demand as permanent magnets enable higher power density, precision motion and smaller form factors.[4] As humanoid robots and automated manufacturing systems add more actuators per machine, the relevant commodity exposure is multiplied across joints and servo axes rather than concentrated in one traction motor.

Wind power is exposed through a different scale of the same technology. The U.S. Department of Energy notes that direct-drive wind turbine systems generally use permanent magnets containing rare earth materials such as neodymium and dysprosium.[8] These designs eliminate the gearbox and can reduce maintenance requirements, which is especially useful offshore, but the tradeoff is increased dependence on high-performance magnets. Other wind turbine generator architectures do not require rare earth magnets, so this is a design-specific exposure rather than an industry-wide inevitability.

Industrial motors show why substitution risk must be analyzed separately from material exposure. ABB signed a long-term agreement in 2025 to purchase U.S.-made NdFeB magnets from Noveon Magnetics for industrial motor applications, explicitly linking the agreement to supply-chain resilience and growth areas including data centers and HVAC.[9] At the same time, ABB has expanded its synchronous reluctance motor portfolio, which uses no permanent magnets or rare earth metals and now reaches IE6 efficiency in portions of its range.[10]

That combination is more informative than either announcement alone. Permanent magnet motors retain advantages in compactness, torque density and efficiency in certain applications, but rare-earth-free architectures can be viable substitutes in others. A prolonged constraint would therefore not affect all motor manufacturers equally. Companies with mature reluctance, induction, ferrite or other magnet-free designs have more engineering options, while applications that place a premium on compactness and power density remain harder to redesign.

Defense, aerospace and semiconductor equipment are harder to substitute

The rare earth problem becomes more severe when qualification rather than material cost is the binding constraint. The U.S. Department of Defense says rare earth permanent magnets are used in the F-35, Virginia and Columbia class submarines, unmanned aerial vehicles, Tomahawk missiles, radar systems and the JDAM family of guided weapons.[11] The Defense Department has consequently spent hundreds of millions of dollars developing a domestic mine-to-magnet supply chain, an unusually direct indication that it considers magnet availability a strategic production issue rather than an ordinary commodity procurement problem.[11]

Defense exposure is important because a missile or aircraft program cannot necessarily replace a qualified magnet simply because a different material is commercially available. Changing the magnet can affect motor torque, actuator size, thermal behavior, power electronics, control software and ultimately system qualification. This makes the economic value of the magnet itself a poor measure of the disruption it can cause.

Aerospace actuators illustrate the same mechanism. Moog's Model 863 rotary servo actuator, designed for UAV and aerospace flight-control, throttle-control and utility applications, integrates a rare earth brushless DC motor.[12] Samarium-cobalt magnets are particularly relevant to high-performance aerospace systems because they can maintain magnetic characteristics across demanding temperature ranges. DARPA notes that Sm2Co17 materials were developed for defense applications precisely because of their performance over a wide military temperature range.[13]

Yttrium extends the exposure beyond motors. It is used in high-temperature ceramic coatings for turbine components, including coatings relevant to aerospace engines, and Reuters reported that the 2025 export restrictions caused significant shortages for U.S. users.[3][5] The investment mechanism is similar to the magnet problem: a relatively inexpensive material supports a much more expensive component whose certification, durability and operating environment limit the practical substitution set.

Semiconductor manufacturing is exposed through an entirely different physical pathway. China's April controls include yttrium metal, alloys, targets, yttrium oxide and multiple yttrium compounds.[1] Applied Materials has patented semiconductor process-chamber coatings using yttrium oxide and yttrium fluoride, materials intended to protect chamber components exposed to aggressive process environments.[14] In plasma etch and deposition equipment, coatings are not an incidental cosmetic input. Their resistance to plasma erosion and particle generation helps protect process stability and wafer cleanliness.

This means semiconductor equipment exposure should not be reduced to another permanent-magnet story. The relevant dependency is high-purity process material. An equipment company may need little yttrium relative to its total bill of materials, but an unavailable or unqualified coating composition can interfere with a chamber component needed to manufacture advanced chips. This is precisely the type of supply-chain asymmetry in which economic impact is disconnected from raw-material spending.

Data center exposure is mechanical, not just electronic

The rare earth pathway into artificial intelligence infrastructure is also broader than the accelerator chip. The IEA explicitly lists AI data centers among the applications supported by high-performance permanent magnets.[4] Some of that exposure sits in cooling equipment, where motors operate fans, pumps and compressors. Some sits in data storage.

Western Digital says hard disk drives used in cloud data centers contain neodymium, praseodymium and dysprosium because of their magnetic properties. In 2025 the company worked with Microsoft and recycling partners on a U.S. program to recover rare earths from retired HDDs.[15] That initiative is strategically notable because it treats discarded data-center hardware not merely as electronic waste but as a potential secondary source of magnet material.

Cooling provides the counterexample. ABB markets rare-earth-free synchronous reluctance motors for data-center cooling systems, while other cooling architectures use permanent magnet motors. The data-center rare earth thesis is therefore not that AI infrastructure is uniformly dependent on one magnet chemistry. It is that the extraordinary growth in data-center capital expenditure is also increasing demand for the mechanical systems that move air, water and refrigerant, and some of those systems sit inside the same permanent-magnet supply chain as electric vehicles and robots.

This creates a different type of investment risk from semiconductor shortages. A GPU shortage directly limits compute installation. A rare earth shortage can instead surface in a coolant distribution unit, fan motor, storage device, pump or backup system. These components attract less investor attention, but the economics of a data center are unforgiving when inexpensive infrastructure delays commissioning of an otherwise completed facility.

The investment bottleneck is moving from mines to qualified magnets

The corporate response increasingly reflects this downstream reality. In July 2025, MP Materials entered a large U.S. Defense Department partnership that included financing for additional magnet manufacturing, heavy rare earth separation capabilities and samarium production. The agreement also established a $110 per kilogram floor for certain NdPr production and a long-term magnet offtake commitment for a new manufacturing facility.[16]

The significance is not simply that a rare earth miner received government support. The transaction explicitly links mining, separation, metal production and magnet manufacturing. That is the chain required to turn an ore body into a qualified motor, actuator or defense component. The economics of the project therefore depend partly on overcoming the midstream and downstream stages where China retains its greatest concentration.

The same logic is visible in M&A. Energy Fuels announced in June 2026 that it had agreed to acquire VAC for approximately $1.9 billion. VAC manufactures both NdFeB and samarium-cobalt permanent magnets and operates magnet production across North America, Europe and Asia. Energy Fuels framed the transaction as a way to combine its rare earth mining, processing and refining ambitions with VAC's established magnet manufacturing capabilities.[17]

That structure points toward the more important investment question. The scarce asset may not be the mine. It may be the company that can turn separated oxides into metal, manufacture the required magnet grade, machine it to specification, qualify it with customers and deliver it from a jurisdiction acceptable to the buyer.

The IEA's 2026 project pipeline illustrates the imbalance. Outside the dominant refining country, announced rare earth mining capacity could approach 50,000 metric tons by 2035, while planned refining and separation capacity is below 40,000 tons and downstream magnet production is only about 18,000 tons on a rare-earth-content basis.[18] Diversification is therefore progressing fastest at the geological end of the supply chain and more slowly where materials become usable industrial components.

For investors, that creates three distinct groups rather than one generic "rare earth" trade. The first is upstream producers, whose economics remain exposed to commodity prices, capital intensity and processing capability. The second is qualified magnet, alloy, coating and recycling companies, where technical know-how and customer qualification can create more durable bottlenecks. The third is downstream manufacturers with credible substitution paths, such as rare-earth-free industrial motor architectures, whose strategic value can increase when magnet availability becomes uncertain.

The opposite side of that analysis is also important. Government price floors, defense contracts and strategic financing can improve the economics of non-Chinese supply, but they also mean some projects are being built under policy-supported conditions rather than ordinary commodity-market economics. Investors should separate the value of strategic capacity from assumptions about normalized margins or permanent scarcity.

Conclusion

China's rare earth controls matter far beyond electric vehicles because rare earths are embedded in the technologies that convert power into precise motion, survive extreme heat and protect highly sensitive manufacturing environments. Robotics, direct-drive wind turbines, missiles, aerospace actuators, semiconductor process equipment, industrial motors and data centers all intersect the rare earth supply chain for different technical reasons. The common feature is not high raw-material spending. It is the possibility that a small, difficult-to-substitute input can gate production of a much more valuable system.

The most important distinction is therefore between applications that can be redesigned and applications that must be requalified. Industrial motors and some data-center cooling systems already have credible rare-earth-free alternatives. Wind turbines can use generator architectures without permanent magnets. Defense systems, high-performance aerospace actuators and semiconductor process materials generally face narrower substitution paths because performance and qualification requirements are more demanding.

That changes where the investment bottleneck sits. Mining capacity matters, but the more defensible scarcity increasingly appears downstream in separation, heavy rare earth processing, samarium and specialty materials, qualified NdFeB and SmCo magnet production, recycling, and the engineering capability to remove rare earths from products without sacrificing performance. China's controls have made visible a dependency that was always broader than the EV market: many of the world's most valuable machines rely on small amounts of materials whose true economic importance is measured by what stops working when they are unavailable.

For relationship definitions, evidence limits and metric interpretation, see the Altsets methodology.

Sources

1. Announcement No. 18 of 2025: Decision to implement export control on some medium and heavy rare earth related items, Ministry of Commerce of the People's Republic of China, April 4, 2025. https://english.mofcom.gov.cn/Policies/AnnouncementsOrders/art/2025/art_0dd87cbee7b045bf93fabe6ab2faceee.html

2. Announcement No. 70 of 2025: Suspension of Announcements No. 55, 56, 57 and 58 and related measures through November 10, 2026, Ministry of Commerce of the People's Republic of China, November 7, 2025. https://www.mofcom.gov.cn/zfxxgk/gkml/art/2025/art_b1bff63a6bdd412a99c84203dd30fd39.html

3. How obscure yttrium became a global flashpoint, Reuters, September 13, 2026. https://www.reuters.com/commentary/reuters-open-interest/how-obscure-yttrium-became-global-flashpoint-2026-09-13/

4. Rare Earth Elements: Executive summary, International Energy Agency, April 8, 2026. https://www.iea.org/reports/rare-earth-elements/executive-summary

5. China approved large exports of rare earth vital for US aerospace in March, Reuters, April 30, 2026. https://www.reuters.com/business/aerospace-defense/china-approved-large-exports-rare-earth-vital-us-aerospace-march-2026-04-30/

6. History of Servo Motors, Yaskawa Electric Corporation. https://www.yaskawa-global.com/product/servomotor/history

7. FANUC Large Servo Motor alpha i-B Series, FANUC Corporation. https://www.fanuc.co.jp/en/product/servo/f_lsm_i-b.html

8. Advanced Wind Turbine Drivetrain Trends and Opportunities, U.S. Department of Energy. https://www.energy.gov/cmei/wind/articles/advanced-wind-turbine-drivetrain-trends-and-opportunities

9. ABB selects Noveon Magnetics for long-term agreement to supply US-made rare earth magnets, ABB, August 14, 2025. https://new.abb.com/news/detail/128298/abb-selects-noveon-magnetics-for-long-term-agreement-to-supply-us-made-rare-earth-magnets

10. ABB IE6 SynRM motors deliver a major boost for industrial energy efficiency, ABB, February 3, 2026. https://new.abb.com/news/detail/133122/abb-ie6-synrm-motors-deliver-a-major-boost-for-industrial-energy-efficiency

11. DOD Looks to Establish Mine-to-Magnet Supply Chain for Rare Earth Materials, U.S. Department of Defense, March 11, 2024. https://www.defense.gov/News/News-Stories/Article/Article/3700059/dod-looks-to-establish-mine-to-magnet-supply-chain-for-rare-earth-materials/

12. Model 863 Rotary Servo Actuator, Moog. https://www.moog.com/products/actuators-servoactuators/multi-purpose/rotary-actuators/model-863.html

13. Advanced Aircraft Materials, Defense Advanced Research Projects Agency. https://www.darpa.mil/about/innovation-timeline/advanced-aircraft-materials

14. Atomic layer deposition of protective coatings for semiconductor process chamber components, Applied Materials patent US-2017314125-A1, PubChem. https://pubchem.ncbi.nlm.nih.gov/patent/US-2017314125-A1

15. At-Scale, Hard Disk Drive Rare Earth Material Capture Program Successfully Launched in the United States, Western Digital, April 17, 2025. https://www.westerndigital.com/company/newsroom/press-releases/2025/2025-04-17-at-scale-hard-disk-drive-rare-earth-material-capture-program-launched

16. MP Materials Current Report on Form 8-K describing Department of Defense partnership, U.S. Securities and Exchange Commission, July 10, 2025. https://www.sec.gov/Archives/edgar/data/1801368/000119312525157310/d43796d8k.htm

17. Energy Fuels Announces Definitive Agreement to Acquire VAC for $1.9 Billion Equity Value, Energy Fuels, June 23, 2026. https://investors.energyfuels.com/2026-06-23-Energy-Fuels-Announces-Definitive-Agreement-to-Acquire-VAC-for-1-9-Billion-Equity-Value

18. Global Critical Minerals Outlook 2026: Outlook, International Energy Agency, July 16, 2026. https://www.iea.org/reports/global-critical-minerals-outlook-2026/outlook

Altsets lookup candidates:

- MP Materials
- Energy Fuels
- VAC
- Yaskawa Electric
- FANUC
- ABB
- Nidec
- Moog
- Applied Materials
- Lam Research
- Western Digital
- Microsoft
- GE Vernova
- Vestas
- RTX

## How to Cite This

<CitationBox citation="According to Altsets Supply Chain Intelligence (altsets.com), China accounted for about 60% of global magnet rare earth mine production in 2024, approximately 91% of refined output and 94% of sintered permanent magnet production." />

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