After the successful completion of the underground structure of Haikou Wuyuanhe Gymnasium (the first contract section), at 8:58 on July 25, the upper steel roof structure (the second contract section) was officially hoisted, and at 9:15, the first lifting piece The central ring steel structure was successfully hoisted into place, and all parties involved in the construction witnessed this important moment together. As a key project in the construction of Hainan Free Trade Port, the steel structure is the top priority of this project. Since the start of construction, our company has always made careful deployment, scientific scheduling, and orderly construction. With the joint cooperation of all parties, the project has achieved landmark progress. 

   Haikou Wuyuanhe Cultural and Sports Center (Phase II) Gymnasium project is located in the north of Changxiu Avenue and east of Jinger Road, Changxiu District, Haikou, Hainan Province, with a construction area of 78,518m2. The size is 187mx140m, and the central large-span plan size is 136mx95m. The steel roof trusses are all plane variable section box trusses, the main truss with variable section is 1.15m-8.3m in height and 35.2m-55.4m in length. The total steel consumption of the steel structure roof and the rigid steel structure of the concrete frame is about 10,500 tons, the maximum weight of a single main truss is about 45 tons, and the maximum weight of a single Y column is about 55 tons. The gymnasium has a total of 18,000 seats and is one of the largest gymnasiums currently under construction in China.

   The success of the first hoisting marks that the superstructure of the gymnasium has entered the construction stage in an all-round way, demonstrating the standardized management and strong technical strength of our steel structure, and has won unanimous praise from the general contractor, the owner and the supervision unit. Our company will make persistent efforts to strengthen management, Accelerate the progress, ensure the quality, and create a high-quality demonstration project for the construction of the "Dadi Steel Structure" brand.