U.S. PRODUCERS FILE UNFAIR TRADE CASES AGAINST IMPORTS OF POLYPROPYLENE CORRUGATED BOXES FROM CHINA AND VIETNAM

WASHINGTON, March 18, 2025 /PRNewswire/ — Four major U.S. producers of polypropylene corrugated boxes – CoolSeal USA Inc., Inteplast Group Corporation, SeaCa Plastic Packaging, and Technology Container Corp. (collectively, “Petitioners”) – today filed antidumping and countervailing duty…