U.S. Delays Preliminary Finding on Chinese MDI Imports
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The U.S. Department of Commerce is delaying its preliminary decision in an investigation on methylene diphenyl diisocyanate (MDI) imports from China.
The investigation began on March 4, 2025. It examines if MDI from China is sold in the U.S. at less than fair value. This kind of investigation is called a less-than-fair-value (LTFV) investigation.
A preliminary determination was due by July 22, 2025. But, on June 24, 2025, the Ad Hoc MDI Fair Trade Coalition, the petitioner, requested more time. The group said this extra time is needed so Commerce can review the questionnaire responses from the mandatory respondents. It will also help Commerce ask for more information if needed.
Rules say the Department of Commerce can approve this kind of delay if a request is made 25 days before the scheduled decision. The Department will allow such a request unless there is a strong reason not to.
Now, the Department is postponing its preliminary determination by 50 days. This means the new deadline is September 10, 2025. The Department says there are no reasons to deny the petitioner’s request.
After the preliminary decision, the final determination will be due 75 days after the preliminary result is published, unless it is postponed again.
This notice was made official on July 8, 2025, by Christopher Abbott, Deputy Assistant Secretary for Policy and Negotiations. This announcement follows U.S. law and federal rules.
For further information, the contacts at the Department of Commerce are Christopher Maciuba at (202) 482-0413 and Kayden Jenson at (202) 482-0967.
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