Business Scope:Production, installation, maintenance and sale of overhead crane, gantry crane, jib crane, station cane and construction elevator(except for production); installation and maintenance of mechanical and electrical equipment;plumbing reform,;small steel structure production. Mechanical equipment processing, steel structure engineering, mechanical and electrical engineering, civil engineering, building structure reinforcement engineering construction, construction labor subcontracting (excluding labor dispatch), municipal public engineering, road and bridge engineering, subgrade and foundation engineering, fire facilities engineering......