March 20 (UPI) -- Three men were charged with smuggling Nvidia chips able to run artificial intelligence into China through the company Super Micro Computer in an unsealed indictment.

The indictment, unsealed Thursday said two of the three men worked for server company Supermicro, and one was a contractor.

The unsealed indictment charges Yih-Shyan "Wally" Liaw, 71; Ruei-Tsang "Steven" Chang, 53; and Ting-Wei "Willy" Sun, 44, with conspiring to divert high-performance computer servers assembled in the United States and integrating sophisticated U.S. artificial intelligence technology to China, in violation of U.S. export controls laws.

Liaw is a U.S. citizen from Fremont, Calif., and a co-founder of the company. Chang and Sun are both from Taiwan. Sun was a contractor for Supermicro. Sun and Liaw were arrested on Thursday, and Chang has not yet been found.

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