China's used cooking oil (UCO) exports to the United States, its largest buyer, are set to plunge in coming months due to steep tariffs, forcing sellers to divert shipments to Europe and elsewhere, industry players said.

China’s economy showed its first big signs of damage from the trade war, as steep U.S. tariffs pummeled export orders and production at the country’s factories. A gauge of new export orders fell in April to its lowest reading since Covid-19 was ravaging the country in 2022,