Taiwan’s UMC Halts R&D Activities With China’s Fujian Jinhua After US Ban

A woman watches a mask—a part used in wafer conception—at a showroom of the United Microelectronics Corp (UMC) factory in Tainan, southern Taiwan on April 28, 2006. UMC is the world's second largest contract microchip maker. Sam Yeh/AFP/Getty Images

TAIPEI—Taiwan chipmaker United Microelectronics Corp said it will temporarily halt research and development activities with its Chinese partner Fujian Jinhua, days after the United States cut off the state-backed firm from U.S. suppliers.

U.S. President Donald Trump’s administration took action on Oct. 29 to cut off Fujian Jinhua from U.S. suppliers amid allegations the firm stole intellectual property from U.S. semiconductor company Micron Technology Inc.