On September 9, 2026, the American Pizza Boxes Manufacturers Coalition (comprised of Smurfit Westrock plc and Pratt Industries, Inc.) and the United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union (USW) (collectively Petitioners) filed a petition for the imposition of antidumping duties on imports of corrugated pizza boxes from the People’s Republic of China (China), Malaysia, and the Republic of Türkiye (Turkey), and countervailing duties on imports from Turkey.









