S. export constraints, and use only to select shipments underneath investigation, the persons mentioned. They display the lengths to which the U.S. has long gone to implement its chip export limits on China, at the same time as the Trump administration has sought to chill out some curbs on Chinese https://www.diigo.com/item/note/avyq4/pmbx?k=028c0df57b08a44314376fee4ca19613