商务部：9月4日起将原产于美国的进口非色散位移单模光纤现行反倾销

Core Viewpoint - The Ministry of Commerce of China has announced the implementation of anti-dumping measures on imported non-dispersion shifted single-mode optical fibers originating from the United States, effective from September 4, 2025, due to circumvention of existing anti-dumping regulations by U.S. exporters [1] Group 1 - The Ministry of Commerce conducted an investigation and found that U.S. fiber manufacturers and exporters altered trade practices to export related cutoff wavelength displacement single-mode fibers (G.654.C fibers) to China, undermining the effectiveness of current anti-dumping measures [1] - The Ministry has recommended adjustments to the tax scope to the State Council Tariff Commission, which has agreed to apply the existing anti-dumping tax rate on non-dispersion shifted single-mode optical fibers to the related cutoff wavelength displacement single-mode fibers from the U.S. [1]