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China Tightens Rare Earth Exports, Straining U.S. Defense Supply Chains

Two-month delivery delays with steep price surges are pushing U.S. defense firms toward Pentagon-backed domestic mining under a 2027 deadline to phase out Chinese magnets

Overview

  • Since April, China has expanded export licensing on seven medium and heavy rare earth elements and now demands detailed end-use disclosures for defense-bound shipments.
  • U.S. contractors like ePropelled have faced delivery delays of up to two months while seeking alternative magnet suppliers.
  • Industry sources report that prices for critical minerals such as samarium have surged by as much as 60-fold.
  • Defense analytics firm Govini warns that more than 80,000 parts in U.S. weapons systems rely on minerals now under Chinese export curbs.
  • The Pentagon invested $400 million for a 15 percent stake in MP Materials and U.S. law requires defense contractors to eliminate Chinese-sourced rare earth magnets by 2027.