US Maintains Duties on Malleable Iron Pipe Fittings From China

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On June 4, 2025, the United States International Trade Commission (USITC) issued a determination about malleable iron pipe fittings from China. The USITC decided that ending the antidumping duty order on these products from China would likely cause harm again to U.S. industries.

This decision was made under the Tariff Act of 1930. The purpose of the review was to see if taking away the duties would hurt the U.S. industry within a short amount of time. After looking at the official records, the Commission decided that removing the duties would probably lead to new problems for American businesses making these products.

The review officially started on November 1, 2024. The Commission decided on February 4, 2025, to have an expedited review, meaning the process would move faster than usual. The notice of expedited review was published on March 7, 2025.

All details about the decision are included in USITC Publication 5633, published in June 2025. The publication is titled “Malleable Iron Pipe Fittings from China: Investigation No. 731-TA-1021 (Fourth Review).”

Lisa Barton, the Secretary to the Commission, issued the order. The details are available in the Federal Register, Volume 90, Number 110, published on June 10, 2025.

The antidumping duty order will therefore remain in place to protect the U.S. industry.

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