US Probes Korean, Taiwanese Chemicals for Dumping Duties
Published Date: 9/5/2025
Notice
Summary
The U.S. is wrapping up investigations into whether imports of special chemical ingredients called MAMMOs from South Korea and Taiwan are unfairly priced or subsidized, possibly hurting American businesses. If the findings confirm this, extra duties (taxes) could be added to these imports soon, affecting companies that buy or sell these chemicals. Stay tuned for final decisions that could impact prices and trade starting in the near future!
Analyzed Economic Effects
2 provisions identified: 0 benefits, 0 costs, 2 mixed.
Final Phase CVD Probe for Taiwan MAMMOs
The U.S. International Trade Commission scheduled the final phase of countervailing duty investigation No. 701-TA-759 to determine whether a U.S. industry is materially injured or threatened with material injury by imports of multifunctional acrylate and methacrylate monomers and oligomers (MAMMOs) from Taiwan. The notice identifies the affected HTSUS subheadings: 2916.12.5050, 2916.14.2050, 3824.99.2900, 3907.29.0000, and 3907.30.0000, and states Commerce preliminarily determined those Taiwan imports to be subsidized.
Pending AD Determinations for Korea & Taiwan
The notice states that Commerce's preliminary determinations regarding whether imports of MAMMOs from South Korea and Taiwan were sold in the United States at less than fair value (antidumping) are pending.
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