The Trump administration announced steep tariffs on solar imports from four nations in Southeast Asia, with duties as high as 3,500% on the grounds that the nations act as pass-throughs for products being dumped into the global market by China.

The Trump administration on Monday announced its intention to impose new tariffs of up to 3,521% on solar panels from Southeast Asia.

The U.S. announced tariffs on Malaysia, Cambodia, Vietnam, and Thailand on Monday, capping a yearlong trade probe initiated under the Biden administration.