LONDON, June 9 (Reuters) - Top U.S. and Chinese officials will sit down in London on Monday for talks aimed at defusing the high-stakes trade dispute between the two superpowers that has widened in recent weeks beyond tit-for-tat tariffs to export controls over goods and components critical to global supply chains.

Delegates from the United States and China are set to meet Monday in London after a phone call between the nations' leaders seemingly led to a cooling of tensions related to their otherwise heated recent trade dispute.

U.S. and Chinese delegations are in the U.K. for talks aimed at patching up a fraying truce in an ongoing trade war between the world’s two biggest economies. The U.S. team—led by Treasury Se