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

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Commerce International Trade Administration [A-570-200] AGENCY: Enforcement and Compliance, International Trade Administration, Department of Commerce. SUMMARY: 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. DATES: Applicable September 16, 2025. FOR FURTHER INFORMATION CONTACT: Kayden Jenson or Christopher Maciuba, AD/CVD Operations, Office II, Enforcement and Compliance, International Trade Administration, U.S. Department of Commerce, 1401 Constitution Avenue NW, Washington, DC 20230; telephone: (202) 482-0967 or (202) 482-0413, respectively. SUPPLEMENTARY INFORMATION: Background This preliminary determination is made in accordance with section 773(b) of the Tariff Act of 1930, as amended (the Act). Commerce published the notice of initiation of this investigation on March 11, 2025. [ 1 ] On July 14, 2025, Commerce postponed the deadline to issue the preliminary determination of this investigation until September 10, 2025. [ 2 ] For a complete description of the events that followed the initiation of this investigation, see the Preliminary Decision Memorandum. [ 3 ] A list of topics included in the Preliminary Decisi…