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FCC final rule stops short of directly targeting major Chinese optical module makers
US AI-linked tech bond issuance hits $220 billion as credit spreads widen
Zhongji Innolight and Eoptolink respond to Nvidia investment rumor
Policy and Re
2026-08-11 06:54:08

Citi says proposed U.S. curbs on Chinese optical modules have not advanced beyond the idea stage

Citi said in an Aug. 9 research note that the reported U.S. move to block Chinese optical modules from the American market has not yet become an effective ban under existing Federal Communications Commission rules. Reviewing FCC Order 26-50, the bank said optical modules do not appear on any active restricted list. They are mentioned only once in an example tied to hardware and software bill-of-materials disclosure, not in the ban section. The bank outlined three possible regulatory routes: restrictions tied to specific manufacturers, restrictions based on all foreign production locations, and a narrower origin-based approach aimed only at products made in China. Citi judged the manufacturer-based route the least likely and said origin-based restrictions are more plausible, though near-term enforcement remains unlikely. Its main argument is supply. Citi estimated Chinese suppliers account for 60% to 70% of high-speed optical modules used by U.S. hyperscalers. Non-Chinese suppliers, in its view, cannot close that gap in the short run, while domestic U.S. production lines still need time to ramp. The report also singled out Eoptolink and DSBJ as the most exposed among the companies discussed, while Tianfu Communication was described as relatively insulated because it supplies passive components that do not fall within the current restricted-list framework.

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Citi says proposed U.S. curbs on Chinese optical modules have not advanced beyond the idea stage
US plan to restrict Chinese optical modules puts a key AI supply chain under pressure
US weighs ban on Chinese optical transceivers for data centers as AI supply chain scrutiny expands
Policy Regula
2026-08-05 00:15:34

US moves toward curbs on Chinese optical transceivers as Taiwan suppliers draw attention

The Trump administration is working through the US Federal Communications Commission on a proposed ban targeting newly made optical transceivers from China, according to Reuters. The measure is framed as a national security step meant to guard against malware insertion, data theft, and network disruption risks tied to equipment used in AI infrastructure and data centers. Reuters said the FCC is considering adding the products to its Covered List, extending recent US restrictions that had already touched drones, inverters, and humanoid robots. The report put pressure on Chinese suppliers that hold a large share of the global data-center optical module market, including Zhongji Innolight and Eoptolink. Zhongji Innolight’s global market share was cited at about 27%. China’s embassy in Washington responded by urging the US to stop what it called baseless accusations and warned that it would take necessary countermeasures if Chinese interests were harmed. US optical and networking names rallied after the report. In Tuesday trading, Lumentum rose nearly 9%, Coherent jumped 12%, and Applied Optoelectronics gained more than 19%. The market reaction reflected expectations that large US cloud providers such as Amazon AWS, Microsoft, Google, and Meta may need to accelerate a shift toward non-Chinese or US-aligned suppliers. The report also pointed to Taiwan-based Enablence Technologies and LuxNet as companies that could benefit if orders are redirected.

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US moves toward curbs on Chinese optical transceivers as Taiwan suppliers draw attention
Reuters: Trump administration drafts ban on new Chinese data center optical module imports