WASHINGTON , Sept. 25, 2025 /PRNewswire/ -- Today, the U.S. Department of Commerce announced its preliminary finding that chassis producers in Mexico , Thailand , and Vietnam have sold chassis and chassis subassemblies into the United States at less than fair value. Commerce calculated preliminary antidumping duty rates of 32.37% in Mexico , 46.12% to 181.57% in Thailand , and 511.16% in Vietnam .
The U.S. Chassis Manufacturers Coalition, which consists of major American chassis manufacturers Stoughton Trailers and Cheetah Chassis Corporation, thanks Commerce for its work thus far in this investigation and its preliminary decision to impose duties that are critical for the domestic industry and its workers.
Today's determination establishes the preliminary duty margin