China Begins Production of Immersion DUV Equipment, Causing Semiconductor Stocks to Plummet

China has begun domestic production of immersion DUV lithography equipment through a government-backed Shanghai company, targeting 5 units in 2026 and 20 in 2027, primarily for SMIC, Huahong Semiconductor, and CXMT. The announcement triggered sharp declines in global semiconductor equipment stocks, though Chinese equipment remains inferior to ASML's market-leading technology.

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