China imposes antidumping duties on US optical fiber after circumvention probe
( September 4, 2025, 04:03 GMT | Official Statement) -- MLex Summary: China's Ministry of Commerce ruled that US optical fiber producers and exporters circumvented existing antidumping duties on similar products by altering trade patterns to export certain cut-off shifted single-mode optical fiber to China. In response, the ministry will impose the same antidumping measures on the similar products — dispersion unshifted single-mode optical fiber — on the investigated products with immediate effect. The tariffs, ranging from 33.3 percent to 78.2 percent, will remain in place until April 21, 2028, in line with the existing measures. The decision follows an investigation launched on March 4 at the request of China's Yangtze Optical.The ruling follows:...
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