Commerce Department Announces Final Results for Antidumping Review of Steel Plates from Korea
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The U.S. Department of Commerce’s International Trade Administration has released the final results of its review on antidumping duties concerning certain carbon and alloy steel cut-to-length plates from the Republic of Korea. This decision was announced on April 16, 2026, and applies to the period of May 1, 2023, through April 30, 2024.
The department found that the group of companies, referred to as the POSCO single entity—which includes POSCO, POSCO International Corporation, POSCO Mobility Solution, Taechang Steel Co., Ltd., and Winsteel Co., Ltd.—did not sell the steel plates at prices lower than the normal value during the reviewed period. This conclusion means that these companies will not face additional antidumping duties on their products shipped to the United States for the specified review period.
The review began with preliminary results published on September 11, 2025. During the review, only the POSCO single entity, the mandatory respondent, submitted comments. Despite some delays in the administrative process due to a federal government shutdown, the final determination was completed without altering the initial findings.
The Commerce Department’s decisions, including the confirmation of zero percent dumping margins for the POSCO single entity, mean that no additional fees will be levied on their steel plate exports. Commerce has outlined how U.S. Customs and Border Protection will proceed with assessments for the subject merchandise. This includes instructions for all the entries during the review period, including those involving intermediaries unaware that the steel was destined for the U.S.
Final cash deposit requirements have also been set. These rules are essential for all future shipments of the steel plates from Korea entering the U.S. All cash deposits for subject merchandise will continue under guidelines that offer clarity on rates for companies outside the current review but covered in earlier segments of the proceedings.
The department has issued a reminder to importers about their responsibilities to file certificates regarding the reimbursement of duties. This action is to ensure that Commerce doesn’t presume the occurrence of reimbursements, which could lead to doubled duties.
Overall, the Commerce Department’s findings reflect thorough administrative processes. The results demonstrate compliance with international trade laws, ensuring fair trade practices between the U.S. and Korea in the steel industry.
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