Stilbenic Optical Brightening Agents From Taiwan: Preliminary Affirmative Determination of Antidumping Duty Administrative Review; 2024-2025
Commerce preliminarily finds that Teh Fong Min International Co., Ltd. sold stilbenic optical brightening agents from Taiwan at less than fair value during the 2024-2025 review period, leading to a preliminary antidumping duty determination.
Aforeworn detected this change in the International Trade & Tariffs (ITC / CBP / USTR) space on July 30, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated High urgency. Importers of stilbenic optical brightening agents from Taiwan, particularly those sourcing from Teh Fong Min International Co., Ltd. should confirm how it applies to their specific situation before acting. There is a time constraint attached: Commerce will issue a final determination within 120 days of the preliminary determination (by approximately November 11, 2026).. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors International Trade & Tariffs (ITC / CBP / USTR) continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.
What changed
Preliminary affirmative determination of antidumping duties for the 2024-2025 administrative review period.
Who it affects
Importers of stilbenic optical brightening agents from Taiwan, particularly those sourcing from Teh Fong Min International Co., Ltd.
What you must do
Review the preliminary dumping margin and prepare for potential cash deposit requirements or duty rate changes.
Deadline
Commerce will issue a final determination within 120 days of the preliminary determination (by approximately November 11, 2026).
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