CXMT is building new plants in Shanghai and Hefei and was in discussions with authorities elsewhere about another facility, which when fully operational, could double its capacity to more than 600,000 wafers per month

Experts say shortages are forcing companies to explore Chinese chip supplies, yet adoption is still likely to be selective and politically contested.

China's largest chipmaker CXMT is planning a new memory-chip plant in Beijing. This facility would be built in the Yizhuang area where another fab already operates. CXMT seeks…