S. export restrictions, and apply only to select shipments underneath investigation, the men and women reported. They display the lengths to which the U.S. has absent to enforce its chip export constraints on China, even as the Trump administration has sought to chill out some curbs on Chinese usage of https://www.evernote.com/shard/s419/sh/ee43a170-8b09-6cd2-8229-baf3126e2519/Lj44o23fI1rccidwvziI82f7O054w0_YBkftMALnE_WNbwl4zMgFs-fg_w