The project belongs to the reconstruction project and is located at the entrance and exit of the South Square of the west station in Tianjin Binhai New Area. The project includes four groups of monomer films, with the same width of film coverage, all of which are 22.825 meters. Each membrane unit is composed of two connected umbrella shaped membranes. The top of the double umbrella is supported by double flying columns, supplemented by steel cables to form a stable structure.