中国首起反规避调查，商务部发声

Core Viewpoint - The Ministry of Commerce of China has initiated anti-circumvention measures against imported optical fiber products originating from the United States, marking the first such investigation in China [3]. Group 1 - On March 4, 2025, the Ministry of Commerce launched an anti-circumvention investigation into single-mode optical fibers with specific cutoff wavelength displacement, following a request from domestic companies [3]. - The investigation was conducted transparently and legally, ensuring the rights of all stakeholders were protected [3]. - Evidence indicated that U.S. exporters were circumventing China's anti-dumping measures on non-dispersive single-mode optical fiber products by exporting related products to China [3]. Group 2 - As a result of the investigation, the Ministry of Commerce announced that anti-circumvention measures would be implemented starting September 4, 2025 [3].