It requested information from a handful of firms that make chip manufacturing possible about their commercial ties to China. China, Computer Chips, House of Representatives, United States Politics and Government, United States International Relations, ASML Holding NV, Applied Materials Inc, Lam Research Corporation, KLA Corp, Tokyo Electron Ltd, Netherlands, Japan, Regulation and Deregulation of Industry It requested information from a handful of firms that make chip manufacturing possible about their commercial ties to China. NYT > Business