The project is located in Hangzhou, Zhejiang Province, covering an area of approximately 25000 square meters. The first building has 14 floors above ground and 3 floors underground, the second building has 22 floors above ground and 3 floors underground, the third building has 24 floors above ground and 3 floors underground, and the seventh corridor has 2 floors above ground. The main building adopts a hybrid structure system of steel (steel pipe) concrete frame reinforced concrete core tube. The total construction area of the steel structure project is about 160000 square meters, and the total steel consumption is about 8400 tons.