Shanghai Mechanical & Electrical Industry Co.,Ltd. engages in the elevator, printing and packaging machinery, hydraulic machinery, welding equipment, and energy engineering businesses worldwide. The company produces and sells elevators, escalators, and maintenance; raw and auxiliary materials, as well as spare parts; hydraulic pumps, valves, sets of equipment, various pressure reducers, etc.; and welding materials and equipment for various non-ferrous metals and special materials, such as welding wire, surfacing and cast iron welding rod, brazing material, thermal spray powder, flux, electric welding machine, gas welding machine, etc. It is also involved in technology research and development and system integration of building energy conservation.