U.S. Polypropylene Box Makers Seek Tariffs on Chinese and Vietnamese Imports Over Unfair Pricing

U.S. polypropylene corrugated box producers file antidumping petitions against China and Vietnam, alleging unfair pricing. Investigations may lead to duties, impacting trade relations and domestic manufacturers

U.S. polypropylene (PP) corrugated box producers, including CoolSeal USA Inc., Inteplast Group Corporation, SeaCa Plastic Packaging, and Technology Container Corp., have filed antidumping and countervailing duty petitions against imports from China and Vietnam. The petitions claim that these imports are being sold at unfairly low prices, negatively affecting the U.S. market.

Allegations state that Chinese producers are dumping PP corrugated boxes into the U.S. with margins ranging from 74.63% to 83.49%, while Vietnamese producers allegedly engage in similar practices with margins of 40.85%. The Department of Commerce and the U.S. International Trade Commission (ITC) will investigate these claims to determine whether duties should be imposed. If confirmed, antidumping and countervailing duties could be applied to level the playing field for domestic producers.

These polypropylene corrugated boxes are widely used in industries requiring durable and moisture-resistant packaging solutions. The case is expected to have significant implications for the U.S. packaging sector and broader trade relations with China and Vietnam. Potential duties may benefit domestic manufacturers but could lead to higher costs for businesses relying on imported packaging materials.

The ITC is expected to make a preliminary determination on whether the U.S. industry is suffering material injury due to these imports. This development adds to ongoing trade tensions between the U.S. and its Asian trading partners, influencing policies related to fair trade enforcement and the protection of American manufacturers.

The final decision on possible tariffs will be closely watched by stakeholders in the packaging, logistics, and manufacturing industries. As the global supply chain continues to shift, the outcome of this case may impact import dynamics, pricing strategies, and trade regulations for polypropylene corrugated boxes in the U.S. market.

Source:

• (https://www.gdlsk.com/petition-filed-requesting-the-imposition-of-antidumping-and-countervailing-duties-on-imports-of-polypropylene-corrugated-boxes-from-the-peoples-republic-of-china-and-the-socialist-republic-of/?utm_source=chatgpt.com)
• (https://www.internationaltradeinsights.com/2025/03/petition-summary-polypropylene-corrugated-boxes-from-the-peoples-republic-of-china-and-the-socialist-republic-of-vietnam/?utm_source=chatgpt.com)
• (https://www.lexology.com/library/detail.aspx?g=556e5c7a-3118-440f-973e-b2377b327e26&utm_source=chatgpt.com)
• (https://www.yahoo.com/finance/news/us-producers-sue-over-chinese-115225915.html?utm_source=chatgpt.com)