According to enterprise data, Taiyuan Airport Hub Investment and Construction Co., Ltd. was established on 202 1-08-23, and its business scope includes investment activities with its own funds; Highway management and maintenance; Maintenance of subgrade and pavement; Municipal facilities management; Building engineering construction; Architectural engineering design; Urban and rural city appearance management; Engineering management services; Intelligent water system development; Security system monitoring service; Landscaping engineering construction; Water pollution prevention and control services; Water pollution control; Air pollution control; Indoor environment detection; Management of flood control and waterlogging elimination facilities (projects subject to approval according to law can only be operated after approval by relevant departments) * * *