On December 22, the Management and Executive Committee of the Brazilian Foreign Trade Commission issued Resolution No. 829 of 2025, making a positive final ruling on optical fibers originating in China and deciding to levy an anti-dumping duty of 47.46 US dollars/kg on the products involved in the Chinese case, which is valid for 5 years. The product involved was a single-mode optical fiber with a core diameter of less than 11 microns, involving products under the Mercosur Tax Code 9001.10.11. The anti-dumping measures in this case do not apply to multimode fiber. The resolution takes effect from the date it is issued.

On December 22, the Management and Executive Committee of the Brazilian Foreign Trade Commission issued Resolution No. 829 of 2025, making a positive final ruling on optical fibers originating in China and deciding to levy an anti-dumping duty of 47.46 US dollars/kg on the products involved in the Chinese case, which is valid for 5 years. The product involved was a single-mode optical fiber with a core diameter of less than 11 microns, involving products under the Mercosur Tax Code 9001.10.11. The anti-dumping measures in this case do not apply to multimode fiber. The resolution takes effect from the date it is issued.