Sen. Cotton urges Commerce Dept. to add China's CXMT to export blacklist
Sen. Tom Cotton sent a letter to Commerce Secretary Howard Lutnick asking him to place Chinese memory chipmaker ChangXin Memory Technologies (CXMT) on the Bureau of Industry and Security's Entity List. Such a listing would bar U.S. companies from doing business with CXMT and block its access to American technology. CXMT is currently the world's fourth-largest producer of DRAM chips, a commodity component used widely in computers and smartphones.
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DRAM production know-how can be adapted to make high-bandwidth memory, a scarce component essential to AI chips from Nvidia, Google and AWS, so restricting CXMT could be aimed at slowing China's entry into that critical supply chain, currently dominated by Samsung, SK Hynix and Micron. Cotton frames CXMT as a national security and economic threat, though the Commerce Department has not yet acted on the request. Any decision could affect global memory supply dynamics and U.S.-China tech tensions more broadly.
- Sen. Cotton wants CXMT added to the Entity List, restricting U.S. firms from trading with it.
- CXMT is the world's fourth-largest DRAM maker, a commodity chip component.
- DRAM technology can underpin high-bandwidth memory, crucial for AI chips currently made only by Samsung, SK Hynix and Micron.
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Published there as: “Lutnick should ban Chinese memory maker CXMT from U.S., Sen. Cotton says”
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