China starts production of home-grown immersion DUV chipmaking tools

China has begun mass production of domestically developed immersion DUV lithography machines through Shanghai Aishengna, a state-owned firm that has incorporated teams from leading Chinese lithography startups. The move represents progress toward semiconductor self-sufficiency but the machines remain far from matching ASML's technology and will likely serve as a fallback if Western export restrictions tighten.

This Wire brief sits within Fusion42's coverage of Semiconductors, and 22 sources have reported it between 27 Jul 2026 and 6 Aug 2026.