The project is located in the core area of high-speed rail new city in Jiashan County, Jiaxing City, Zhejiang Province, with a total construction area of about 375,157.18 square meters, of which the above-ground construction area is about 229,192.62 square meters and the underground construction area is about 145,964.56 square meters, which consists of a number of monoliths such as a new 5A Grade A office building, an international financial center, a Hilton hotel, and commercial facilities.The main structural form of the project is high-rise outer frame round tube columns + steel beams + ring belt extension trusses + core cylinder strong steel columns in Building 1, strong frame structure and cantilevered structure in Buildings 2, 3 and 4, of which the structural height of Building 1 is 200m, the structural height of Building 2 is 77.5m, the structural height of Building 3 is 90.9m, and the structural height of Building 4 is 77.5m.