Key facts
- Cotton is the Republican chair of the Senate Intelligence Committee, the panel whose post he used to send the letter.
- Cotton wrote that CXMT poses a growing risk to US economic prosperity and military superiority.
- Cotton said the US must act to prevent CXMT from gaining a stronger foothold in the global market.
- The letter asks Commerce Secretary Howard Lutnick to deny CXMT access to American technologies.
Senator Tom Cotton, the Republican chair of the Senate Intelligence Committee, urged US Commerce Secretary Howard Lutnick in a letter dated Thursday, November 12, 2026 to bar Chinese memory chip producer CXMT from the US market and deny it access to American technologies, Reuters reported.
In the letter, Cotton wrote that CXMT "poses a growing risk to our economic prosperity and military superiority" and that "The US must take action to prevent CXMT from gaining a stronger foothold in the global market."
The letter is a request to the Commerce Department, which administers US export controls, and does not itself change any restriction on CXMT. The report did not say whether Lutnick or the department had responded.