https://www.theregister.co.uk/2018/05/29/us_govt_china_tariffs/

US President Donald Trump has put a missile, in the form of trade sanctions, back on the launchpad, started fueling it, and programmed its computer to strike Beijing. The countdown clock for liftoff is set for mid-June.

In March, America's commander in chief threatened to increase the tax on Chinese imports, which would affect certain aerospace parts to specific computer components, potentially demanding up to 25 per cent extra in charges on incoming equipment. Then, in April, the US government got a little more explicit, singling out nuclear reactor hardware, magnetic hard drives, vaccines, turbine parts, optical network connectors, and so on.