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Tris(hydroxymethyl)aminomethane and Tris(hydroxymethyl)aminomethane hydrochloride (“Tris and Tris HCl") from China; Inv. No. 701-TA-793 and 731-TA-1789 (Preliminary)

USITC investigation 701-793 · Preliminary 1

Antidumping / Countervailing DutyConcluded

Product

Tris(hydroxymethyl)aminomethane and Tris(hydroxymethyl)aminomethane hydrochloride (“Tris and Tris HCl")

Started

2026-04-21

Concluded

2026-06-12

Petition received

2026-04-21

The U.S. International Trade Commission investigates whether U.S. industries are harmed by unfairly traded imports. Antidumping/countervailing-duty cases address goods sold below fair value or subsidized by foreign governments; Section 337 cases address unfair import practices, primarily patent and other IP infringement.

Source: USITC Investigations Database System. License: CC0 1.0.