Preliminary Affirmative Countervailing Duty Determination of Tris(hydroxymethyl)aminomethane from China
Preliminary Affirmative Determination in the Countervailing Duty Investigation of Tris(hydroxymethyl)aminomethane from the People’s Republic of China
On September 21, 2026, the U.S. Department of Commerce (Commerce) announced its preliminary affirmative determination in the countervailing duty (CVD) investigation of Tris(hydroxymethyl)aminomethane (tris) from the People’s Republic of China (China).
Preliminary Subsidy Rates
China
| Company | Subsidy Rates (Percent ad valorem) |
|---|---|
| Changzhou Peicheng Imp. & Exp. Co. | 117.39* |
| Suzhou Yacoo Science Co., Ltd. | 20.63 |
All Others | 20.63 |
Next Steps
- Commerce is also conducting a concurrent antidumping duty (AD) investigation of tris from China.
- Because Commerce has aligned the final CVD determination with the final determination of the companion AD investigation, Commerce is scheduled to announce its final CVD determination along with the final AD determination on or around February 2, 2027, unless postponed.
- The U.S. International Trade Commission (ITC) is conducting a concurrent injury investigation. For more information related to the ITC’s timeline, please refer to the ITC’s calendar.
Other Case Information
- The petitioner Advancion Corporation (Buffalo Grove, IL).
- For general information and next steps, please refer to a list of preliminary FAQs.
- Additional case information, including the scope of the investigation and alleged subsidy programs, are on file electronically via Enforcement and Compliance’s Antidumping and Countervailing Duty Centralized Electronic Service System (ACCESS). Once you log in, please refer to case numbers A-570-230 and C-570-231 for the AD and CVD investigations, respectively.
- For more information on subsidy programs, please refer to the subsidies enforcement library.
- To date, Commerce maintains 851 AD and CVD orders that provide relief to American companies and industries impacted by unfair trade.