Add industry self-regulating and user-manual printing standards which include disassembly and reassembly.

Example Given: You make a router? You have to buy an office to do a teardown on the router and show schematics and performance and submit the required information to an industry run forum (not like a web forum, more like a consortium).

The foreign company will be forced to set their own firm up to avoid paying the market rates, and if they try to weasel out of it by pulling a Panama-Papers esque operation it will open up the possibility of sueing and fining them or evem outright arresting bad actors.