China AI ObservatoryQualification stagereported
Fab testing reported in September 2026
As of 2026-09-11Financial Times · Huawei and the domestic lithography supply chain (source)Reuters · Initial domestic immersion DUV production (source)Company dossier · Reviewed 2026-09-11
Yuliangsheng 宇量昇
An emerging domestic immersion DUV developer.
What the evidence says
Testing a scanner does not establish commercially competitive volume production.
Financial Times · Huawei and the domestic lithography supply chain (source)Reuters · Initial domestic immersion DUV production (source)Critical facts
Company news
Timeline →reported
Domestic lithography effort extends across components
Reporting identifies Yuliangsheng, Zhiqi, and RSLaser in the local supply-chain effort.
Why it matters. The next meaningful gate is sustained fab qualification.
Financial Times · Huawei and the domestic lithography supply chain (source)reported
Initial domestic immersion DUV tools enter production
Reuters identifies Aishengna as the production coordinator.
Why it matters. Machine output alone does not establish high-volume wafer production.
Reuters · Initial domestic immersion DUV production (source)