On February 12, 2025, the Mexican Ministry of Economy issued a notice, making a final ruling on the second sunset review and anti-dumping period review of seamless steel pipes (Spanish: tuber í a de acero sin costura) originating in China, and deciding to continue imposing anti-dumping duties of $1568.92 per metric ton on the products involved. The measures will take effect on January 8, 2024 and are valid for five years. The products involved in the case are seamless steel pipes with a nominal outer diameter greater than or equal to 60.3 millimeters and less than or equal to 114.3 millimeters. They involve products under TIGIE tax codes 7304.19.01, 7304.19.04, 7304.19.99, 7304.31.01, 7304.31.10, 7304.31.99, 7304.39.01, 7304.39.10, 7304.39.11, 7304.39.91, 7304.39.92, and 7304.39.99, but do not include mechanical or stainless steel pipes.

On November 21, 2012, Mexico initiated an anti-dumping investigation into seamless steel pipes originating from China. On January 7, 2014, Mexico made a positive final ruling on the case and began imposing anti-dumping duties of $1568.92 per metric ton on the products involved. On November 21, 2018, Mexico initiated its first sunset review investigation into the case. On December 13, 2019, Mexico made its first sunset review final ruling on the case, deciding to continue imposing anti-dumping duties of $1568.92 per metric ton on the products involved from January 8, 2019, with a validity period of five years. On December 22, 2023, Mexico initiated a second sunset review investigation into the case, while the Ministry of Economy independently initiated an interim review investigation. On May 27, 2024, Mexico made an interim review preliminary ruling on the case, which upheld the current anti-dumping duty of $1568.92 per metric ton.