The U.S. government has tried to keep Chinese companies from obtaining certain advanced technologies, but concerns have been growing that some products may have been routed to Huawei. Computer Chips, International Relations, Computers and the Internet, Embargoes and Sanctions, Bitmain Technologies Ltd, Huawei Technologies Co Ltd, Taiwan Semiconductor Manufacturing Company Ltd, China, Taiwan, United States The U.S. government has tried to keep Chinese companies from obtaining certain advanced technologies, but concerns have been growing that some products may have been routed to Huawei. NYT > Business