The US Commerce Department has announced plans to impose tariffs of up to 3,521% on imports of solar panels from four South East Asian countries. It comes after an investigation that began a year ago when several major solar equipment producers asked the administration of then-President Joe Biden to protect their US operations.

The move wraps up a year-old trade case in which U.S. manufacturers accused Chinese companies of flooding the market with unfairly cheap goods.

On Monday, the U.S. Department of Commerce finalized hefty tariffs on solar panel cells imported from Southeast Asia in a supposed effort to stop China from cheating.  In a press release, the department stated that the tariffs would target Cambodia,