Taiwan Semiconductor Manufacturing Co. (TSMC) recently made a significant discovery that has caused concern for both Taiwan and the United States. TSMC Finds Its Chip in Huawei Device The company, known as the world’s largest contract chipmaker,

Taiwan Semiconductor Manufacturing Co. discovered this month that chips it made for a specific customer ended up with Huawei Technologies Co., a potential violation of US sanctions intended to sever the flow of technology to a Chinese national champion.

The Republican chairman of the U.S. House of Representatives Committee on China demanded answers on Wednesday from the Commerce Department and TSMC after a chip made by the Taiwanese company was found in a device made by China's Huawei.