United States of America: Definitive antidumping duty on imports of polypropylene corrugated boxes from China and a provisional antidumping duty on imports from Vietnam

In April 2025, the United States initiated an antidumping investigation on imports of polypropylene corrugated boxes from China and Vietnam. In August 2025, a provisional duty on imports from China was imposed. In December 2025, a provisional duty on imports from Vietnam was imposed. In March 2026, a definitive duty was imposed on imports from China.