China Hits US Optical Fiber Imports With Anti-Dumping Duties (1)

Sept. 4, 2025, 2:19 AM UTC

China started imposing levies on additional US optical fiber imports after a six-month investigation found that American companies circumvented the country’s anti-dumping measures.

The duties, ranging from 33.3% to 78.2%, took effect Thursday Beijing time on “certain cut-off shifted single-mode optical fiber” from the US, according to a statement from the Chinese Ministry of Commerce.

Among the companies subject to the new duties, Corning Inc. now faces a 37.9% levy, OFS Fitel LLC is at 33.3% and Draka Communications Americas Inc. has a 78.2% duty.

The probe was the first anti-circumvention investigation China has ever initiated, the Mofcom said in ...

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