TAIPEI -- The U.S. is tightening export controls on Semiconductor Manufacturing International Co., China's top chipmaker, citing an "unprecedented risk" posed by the company's alleged links to the military.
Beijing-backed company denies Washington's claims of military links
TAIPEI -- The U.S. is tightening export controls on Semiconductor Manufacturing International Co., China's top chipmaker, citing an "unprecedented risk" posed by the company's alleged links to the military.