Commerce Initiates Antidumping Duty and Countervailing Duty Investigations of Tris(hydroxymethyl)aminomethane from China
Commerce Initiates Antidumping Duty and Countervailing Duty Investigations of Tris(hydroxymethyl)aminomethane from China
On May 12, 2026, the U.S. Department of Commerce (Commerce) announced the initiation of antidumping duty (AD) investigations of tris(hydroxymethyl)aminomethane (Tris) from the People’s Republic of China (China).
Alleged Dumping Margins
| Trading Partner | Dumping Margins (Percent) |
|---|---|
| China | 53.39-372.20 |
Alleged Subsidy Rate
| Trading Partner | Subsidy rate |
|---|---|
| China | Above de minimis* |
*de minimis = less than one percent for developed countries, less than two percent for developing countries.
Next Steps
- The U.S. International Trade Commission (ITC) is currently scheduled to issue its preliminary determination on or around June 5, 2026. For more information related to the ITC’s timeline, please refer to the ITC’s calendar.
- If the ITC issues an affirmative preliminary determination, Commerce would be scheduled to announce its preliminary determination on July 16, 2026, for the CVD investigation, and on September 29, 2026, for the AD investigation. These deadlines may be extended in accordance with the statute.
Other Case Information
- The petitioner is Advancion Corporation (Buffalo Grove, IL).
- For general information and next steps, please refer to a list of initiation FAQs.
Additional case information, including the scope of the investigations 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:
Trading Partner AD Case Number CVD Case Number China A-570-230 C-570-231 - To date, Commerce maintains 834 AD and CVD orders that provide relief to American companies and industries impacted by unfair trade.