The United States has made a preliminary ruling on anti-subsidy investigations involving Chinese fiberglass door panels.

On August 19th, the U.S. Department of Commerce announced a preliminary ruling on anti-subsidy duties for imported fiberglass door panels from China, with preliminary determination that Chinese companies have subsidy rates ranging from 59.17% to 921.42%. The Department of Commerce of the United States is expected to issue a final decision on anti-subsidy duties by December 31, 2025. This case primarily involves products under U.S. customs code 3925.20.0010.