The project is located in the beautiful northern tourist resort of Qinhuangdao Harbor District, Jinmenghai Bay Area, with a coastline of 3.6km, enjoying the perfect municipal and living facilities in the city center.The steel trusses of the project all consist of three main trusses and the connecting beams and supports between the trusses.The joist structure is located between the 17th and 19th floors, the elevation of the lower chord is +49.480m, the elevation of the upper chord is +56.180m, the height of the joist is 7.8m, the span is 36.0m, and the upper and lower chords are box section.