[Qingyi Optoelectronics: The holding subsidiary plans to invest no more than 1.5 billion yuan to build the third phase of the high-end semiconductor mask production base construction project] On November 9th, Qingyi Optoelectronics (688138.SH) announced that the company’s holding subsidiary Foshan Qingyi Micro plans to build a high-end semiconductor mask production base in the existing Based on the first and second phases of the production base construction project, it will invest in the construction of the "High-end Semiconductor Mask Production Base Construction Project Phase III". The total planned investment of the third phase of the project will not exceed RMB 1.5 billion. The main products are high-end semiconductor masks covering the 28nm-14nm process. The project still needs to go through approval procedures such as filing and environmental impact assessment.