The total construction area of the fourth phase of Lei Street is 116699.18 square meters. The bidding scope of the intelligent and three network engineering mainly includes the procurement, transportation, installation, debugging, trial operation, acceptance, technical training, and after-sales service of intelligent materials and equipment such as computer network systems, computer room engineering, video monitoring systems, one card systems, vehicle management and parking guidance systems, comprehensive pipelines, and five party intercoms.

As the bridge product supplier of the project, Zhenda Group, since 1999, is a modern enterprise focusing on the design, R&D, production, sales and service of Bus duct, cable bridge, distribution cabinet, seismic support and hanger products. The company's products are widely used in data communication, energy and chemical engineering, research and development and manufacturing, power grid, commercial, residential, cultural and tourism, municipal public construction, warehousing and logistics, education and treatment projects.