US Shields Cardboard Box Makers from Cheap Chinese Imports
Published Date: 3/11/2026
Notice
Summary
The U.S. has decided that cheap polypropylene corrugated boxes from China are hurting American companies because they're sold at unfairly low prices and get government help. This means import duties will likely stay or increase to protect U.S. businesses like CoolSeal USA and others. If you’re in the packaging or shipping world, expect changes soon that could affect costs and supply starting now.
Analyzed Economic Effects
3 provisions identified: 1 benefits, 1 costs, 1 mixed.
U.S. PC Box Industry Found Injured
On March 9, 2026, the U.S. International Trade Commission determined that a U.S. industry is materially injured by imports of polypropylene corrugated boxes from China. The finding says those imports were sold at less than fair value and were subsidized by the government of China.
Imports Found Dumped and Subsidized
The U.S. Department of Commerce found that polypropylene corrugated boxes from China were sold in the United States at less than fair value and were subsidized by the government of China (see 91 FR 2734 and 2739, January 22, 2026). The Commission’s investigations referenced are Nos. 701-TA-757 and 731-TA-1737.
Specific Tariff Line Targeted
The investigations cover polypropylene corrugated boxes provided for in Harmonized Tariff Schedule subheading 3923.10.90. Imports classified under HTSUS 3923.10.90 are the subject of the Commission’s determinations completed and filed March 9, 2026.
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Key Dates
Department and Agencies
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