Export controls—a major concern for industries worldwide—are moving to the top of the agenda of trade talks between the U.S. and China on Monday. The trade war between Washington and Beijing has in recent weeks veered away from tariffs, focusing instead on each country’s restrictions on material or products the other side desperately needs.

US-China trade talks in London this week are expected to take up a series of fresh disputes that have buffeted relations, threatening a fragile truce over tariffs.

US and China will hold trade talks in London amid fresh tensions over semiconductors, rare earths, and student visas. A recent agreement to pause tariffs is at risk as both sides clash over technology