China's recent decision to halt exports of antimony to the United States has significantly impacted the defense and technology sectors, revealing the strategic importance of this mineral. Antimony is essential for manufacturing ammunition, infrared missile systems, and advanced batteries, with its price increasing by over 200% this year due to the export restrictions. This move by Beijing is part of a larger strategy to use its dominance in critical minerals as leverage in the ongoing US-China trade tensions. Given that China controls nearly 50% of global antimony mining and 80% of its production, the U.S. is now faced with a critical dependency on foreign sources for this vital material.
For defense giants such as Lockheed Martin (NYSE: LMT), the implications are severe. The company's flagship programs, including the F-35 fighter jet and missile defense systems, depend on a steady supply of advanced materials like antimony. This scenario underscores the pressing need for diversifying supply chains and reducing reliance on potentially hostile nations.
In response to the crisis, companies are actively seeking alternative sources of antimony and other critical minerals. Military Metals Corp. (OTCQB: MILIF) (CSE: MILI) is emerging as a key player, focusing on mineral-rich properties in stable regions like Europe and North America. Its recent acquisitions in Slovakia could position it as a major antimony and gold supplier. Meanwhile, Perpetua Resources Corp. (Nasdaq: PPTA) is developing the Stibnite Gold Project in Idaho, potentially the sole U.S. source of mined antimony that meets defense needs, with significant Defense Production Act funding highlighting its strategic value.
United States Antimony Corporation (NYSE: UAMY), the only North American antimony smelter, is expanding its operations in Alaska to secure domestic sources of critical minerals. Its efforts are crucial for addressing the growing demand while supporting national security objectives.
The antimony export ban has laid bare the vulnerabilities in the U.S. critical mineral supply chain, prompting industries to rethink their sourcing strategies. As geopolitical tensions influence resource markets, companies that can provide secure domestic supplies of antimony and other critical minerals will be vital for national security and technological advancement. This situation calls for increased investment in domestic mineral exploration and processing capabilities to ensure the U.S. can maintain its technological edge and security in the face of evolving global supply dynamics.


