The project covers an area of 137,330 square meters, with a construction area of 22,794 square meters and four floors above ground. The number of main steel structures is more than 6,000 tons, and the main structural forms are steel lattice columns, round steel columns, H-shaped steel beams and truss beams. The steel lattice column has a large volume, the weight of a single piece is 50-60 tons, and the span of the truss beam is large, with a maximum span of 30 meters.