Our business scope includes: Sales of mechanical parts and components; Sales of machinery and equipment; Metal cutting service; Metal structure manufacturing; Machining of mechanical parts and components; Manufacturing of non-metallic mineral materials forming machinery; Manufacturing of electrical instruments and meters; Processing of non-metallic waste and debris; Electrical equipment repair; Instrument repair; Manufacturing of lighting fixtures; Non ferrous metal calendering; Security equipment sales; Sales of lighting appliances; Sales of mobile communication equipment; Sales of washing machinery; Sales of metal products; Instrument sales; Wire and cable business; Sales of lamps; Sales of metal materials; Sales of mining machinery; Sales of metal forming machine tools; Sales of optical communication equipment; Sales of industrial automatic control system devices; Optical cable sales; Sales of industrial robots; Sales of special electronic materials; Sales of intelligent instruments; Sales of special equipment for semiconductor devices; Sales of semiconductor discrete devices; Sales of electrical instruments and meters; Sales of railway rolling stock accessories; Non ferrous metal alloy sales; Sales of experimental and analytical instruments; Fire fighting equipment sales; Sales of railway transport equipment; Retail of hardware products; Sales of communication equipment; Sales of valves and cocks; Sales of pneumatic power machinery and components; Sales of special equipment for oil refining and chemical production; Sales of special instruments for environmental monitoring; Sales of radio and television transmission equipment.