SMIC, Hua Hong and CXMT get China's first domestic DUV tools this year (Picture Credits: AP) A state-backed company in Shanghai has started mass-producing immersion deep ultraviolet lithography machines, the chipmaking tool that ASML has effectively owned for two decades. The first units are due this year at SMIC, Hua Hong Semiconductor and memory maker ChangXin Memory Technologies, according to The Information, which cited two people familiar with the programme. None of them would name the manufacturer.The timing is what stings. In June, the AI Futures Project put commercial-scale Chinese immersion DUV somewhere in the mid-2030s, with ASML sitting on…