The project has a total floor area of 330,000_, three floors underground, 43 floors of office building, 214.8 meters high, core tube steel frame structure; 38 floors of hotel building, 164.9 meters high, steel frame stiff structure outside core tube, which was completed on July 2, 2012 and July 27, 2015. The project has the following technical characteristics: construction of deep and large foundation pit adjacent to Metro in soft soil area, construction of main structure of super high-rise building, installation of overhead corridor of multi-storey steel truss with rigid connection at both ends of settlement joint, installation of catenary steel roof with large height difference, etc.