US sanctions Chinese computer makers in widening tech fight By JOE McDONALDApril 9, 2021 GMT FILE - In this Feb. 22, 2021, file photo, a woman wearing a face mask to help curb the spread of the coronavirus sits near a screen showing China and U.S. flags as she listens to a speech by Chinese Foreign Minister Wang Yi at the Lanting Forum on bringing China-U.S. relations back to the right track, at the Ministry of Foreign Affairs office in Beijing. The Biden administration has added seven Chinese supercomputer research labs and manufacturers to a U.S. export blacklist in a spreading conflict with Beijing over technology and security. (AP Photo/Andy Wong, File)