事关中国首起反规避调查，商务部相关负责人最新回应

Group 1 - The Ministry of Commerce of China has initiated anti-circumvention measures against imported optical fiber products originating from the United States, marking the first anti-circumvention investigation in China [1][3] - The investigation was launched on March 4, 2025, following a request from domestic companies, focusing on single-mode optical fibers with specific cutoff wavelength displacement [1][3] - Evidence indicated that U.S. exporters were circumventing China's anti-dumping measures on non-dispersive single-mode optical fibers by exporting related products [1][3] Group 2 - The anti-circumvention investigation aligns with Chinese laws and WTO rules, aiming to uphold the authority of existing trade remedy measures and ensure their effectiveness [3] - The Ministry of Commerce has collected public opinions on the draft rules for anti-circumvention investigations and plans to further enrich and improve China's trade remedy investigation system [3] - The Ministry emphasizes a cautious approach to implementing trade remedy measures while firmly protecting the legitimate rights and interests of domestic industries [3]