[Yitang Shares: Plans to invest 1.8 billion yuan in building a semiconductor equipment manufacturing base project] On October 29, Yitang Shares (688729.SH) announced that the company plans to invest in the construction of a Yitang semiconductor integrated circuit equipment manufacturing base project in the Beijing Economic and Technological Development Zone through its wholly-owned subsidiary Yitang Beijing, focusing on the large-scale production of equipment such as dry degumming, rapid heat treatment, dry etching and plasma surface treatment, with a total investment of approximately 1.8 billion yuan. The project land needs to be obtained through bidding, auction and listing procedures, and approval procedures such as filing and environmental impact assessment are still required, so there is uncertainty.