Impact of China's Rare Earth Export Restrictions on U.S. Aerospace and Semiconductor Industries

U.S. aerospace and semiconductor industries are facing significant supply shortages of rare earth elements, particularly yttrium and scandium, due to China's export restrictions. These elements are crucial for high-performance applications in defense technology, aerospace components, and semiconductor manufacturing. Reports indicate that at least two suppliers have begun turning away clients as a direct consequence of these shortages, which have worsened since China imposed export controls in April 2025.

WIONSouth China Morning Post

China's near-monopoly over the global rare earth supply chain is a critical factor contributing to these shortages. The country is estimated to produce over 60 to 70 percent of the world's rare earth mining output and controls approximately 90 percent of global processing and refining capacity. This dominance complicates efforts for U.S. industries to find alternative sources for these essential materials. The recent restrictions have led to a dramatic decline in U.S. imports of yttrium, plummeting from 333 tonnes to just 17 tonnes in the eight months following the imposition of curbs.

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The reliance on Chinese rare earths has created strategic vulnerabilities for U.S. industries. Yttrium and scandium are vital for the production of jet engines, avionics, and next-generation semiconductor chips, including those used in 5G technology. While there have been no reports of complete halts in manufacturing, some U.S. manufacturers are experiencing outright shortages, particularly of scandium, which poses risks to future chip production.

WIONSouth China Morning Post

U.S. officials have acknowledged the challenges posed by China's export restrictions. A spokesperson noted that "some manufacturers face outright shortages of certain rare earths from China," highlighting the critical nature of these materials for national defense and technological advancement. In response, the U.S. has initiated efforts to diversify its supply chains, including investments in domestic projects and partnerships with companies like MP Materials.

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Critics argue that the U.S. has been slow to address its dependency on Chinese rare earths, which could have long-term implications for national security and technological competitiveness. Industry experts emphasize that while diversification efforts are underway, establishing new processing facilities and supply chains will take years, potentially prolonging reliance on China into the 2030s.

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As U.S. President Donald Trump prepares for a summit with Chinese President Xi Jinping, discussions surrounding trade tensions and rare earth exports are expected to be a focal point. The outcome of these talks may influence future supply dynamics and the strategic landscape for U.S. industries reliant on rare earth elements.

South China Morning Post

• “A US official cited in the Reuters report said that some manufacturers face outright “shortages” of certain rare earths from China.” — U.S. Official

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• “China’s control over the rare earth supply chain is creating a strategic vulnerability for US aerospace, affecting avionics, engines and defence systems.” — Industry Expert

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• “Dependency on China for heavy rare earths may well persist into the 2030s.” — Analyst

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The ongoing situation underscores the critical need for the U.S. to address its reliance on Chinese rare earths to secure its technological and defense capabilities.

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