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Highest named respondent rate shown as signal: 87.25%, as of Jun 25, 2026
Headline rate is a case-level product signal. Exporter or producer treatment still depends on the applicable rate record.
Routine determination signal; read the chronology for procedural detail.
First administrative-review cycle watch
The case is active, so exporter-specific review risk remains the practical watch item.
Methylene Diphenyl Diisocyanate From the People's Republic of China: Final Affirmative Determination of Sales at Less Than Fair Value The U.S. Department of Commerce (Commerce) determines that methylene diphenyl diisocyanate (MDI) from the People's Republic of China (China) is being, or is likely to be, sold in the United States at less than fair value (LTFV) for the period of investigation July 1, 2024, through December 31, 2024.
Methylene Diphenyl Diisocyanate From the People's Republic of China: Preliminary Affirmative Determination of Sales at Less-Than-Fair-Value, Postponement of Final Determination, and Extension of Provisional Measures The U.S. Department of Commerce (Commerce) preliminarily determines that methylene diphenyl diisocyanate (MDI) from the People's Republic of China (China) is being, or is likely to be, sold in the United States at less-than-fair-value (LTFV). The period of investigation (POI) is July 1, 2024, through December 31, 2024. Interested parties are invited to comment on this preliminary determination.
| Exporter | Rate | Basis | Published |
|---|---|---|---|
| Covestro Polymers (China) Co., Ltd | 87.25% | Mandatory | Jun 25, 2026 |
| Shandong Mingko Co., Ltd | 87.25% | Mandatory | Jun 25, 2026 |
| Wanhua Chemical Group Co., Ltd | 87.25% | Mandatory | Jun 25, 2026 |
Methylene Diphenyl Diisocyanate From the People's Republic of China: Postponement of Preliminary Determination in the Less-Than-Fair-Value Investigation