Business scope: R & D, production and sales of automatic welding equipment, valves, metallurgical special equipment, industrial robots; Industrial automation equipment, mechanical equipment, electronic products, metal products, pumps, vacuum equipment, locks, environmental protection equipment, purification equipment, computer software and hardware, billets, steel ingots, welding wires, steels, activated carbon, cables, mechanical and electrical equipment and parts; Self-operated and agency import and export of various goods and technologies, except those restricted or prohibited by the state; Metallurgical technology, energy-saving technologies, computers Software and hardware R & D, technical consulting, technology transfer, technical services; Information system integration services.