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U.S. Antidumping and Countervailing Duties
Information and Resources for U.S. Trade Remedy Laws and Ongoing Proceedings.
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Recent Announcements

Preliminary Affirmative Determination in the Countervailing Duty Investigation of Monomers and Oligomers from Taiwan

Preliminary Affirmative Determination in the Countervailing Duty Investigation of Monomers and Oligomers from Taiwan 

On August 26, 2025, the U.S. Department of Commerce (Commerce) announced its preliminary affirmative determination in the countervailing duty (CVD) investigation of monomers and oligomers from Taiwan  

Preliminary Subsidy Rates

Exporter/ProducerSubsidy Rate (percent)
Eternal Materials Co., Ltd. 159.71*
Qualipoly Chemical Corporation 159.71*
All-Others159.71

*This rate is based on facts available with adverse inferences.

Import Statistics 

Taiwan202220232024
Volume (KG)40,137,91232,676,56428,931,989 
Value (USD)$204,195,026 $97,705,543 $79,384,212 

Source: U.S. Census Bureau, accessed through S&P Global Trade Atlas (Harmonized Tariff Schedule of the United States (HTSUS) subheadings 2916.12.5050, 2916.14.2050, 3824.99.2900, 3907.29.0000 and 3907.30.0000). Imports of certain monomers and oligomers enter under HTSUS subheadings that may cover subject and non-subject merchandise.

Next Steps

  • The final determinations of the CVD investigation is scheduled to be announced on November 12, 2025
  • Commerce is also conducting a concurrent antidumping duty investigation of monomers and oligomers from the Republic of Korea and Taiwan.
  • The U.S. International Trade Commission (ITC) is running concurrent injury determination investigations. For more information related to the ITC’s timeline, please refer to the ITC’s calendar.  

Other Case Information

  • The petitioner is Arkema, Inc. (King of Prussia, PA)
  • For general information and next steps, please refer to a list of preliminary FAQs. 

  • Additional case information, including the scope of the investigations, is on file electronically via Enforcement and Compliance’s Antidumping and Countervailing Duty Centralized Electronic Service System (ACCESS). Once you log in, please refer to the following case numbers:

    Trading PartnerCVD Case Number
    TaiwanC-583-880
  • For more information on subsidy programs, please refer to the subsidies enforcement library.
  • To date, Commerce maintains 777 AD and CVD orders that provide relief to American companies and industries impacted by unfair trade.