Manufacturing of distribution switch control equipment; research and development of distribution switch control equipment; sales of distribution switch control equipment; manufacturing of power electronic components; sales of power electronic components; manufacturing of power transmission and distribution and control equipment; sales of intelligent power transmission, distribution and control equipment; manufacturing of mechanical and electrical equipment; sales of mechanical and electrical equipment; manufacturing of electrical instrumentation; electrical Sales of industrial instruments and meters; manufacturing of electronic components; retail of electronic components; manufacturing of instruments and meters; sales of instruments and meters; manufacturing of metal cutting and welding equipment; sales of metal cutting and welding equipment; manufacturing of metal tools; sales of metal tools; manufacturing of refrigeration and air-conditioning equipment; sales of refrigeration and air-conditioning equipment; sales of communication equipment; communication equipment Manufacturing of equipment; manufacturing of synthetic materials (excluding hazardous chemicals); sales of synthetic materials; manufacturing of lighting fixtures; sales of lamps; business of wires and cables; manufacturing of auto parts and accessories; retail of auto parts and accessories; manufacturing of motorcycle parts and accessories; retail of motorcycles and spare parts; manufacturing of household appliances; sales of household appliances; furniture manufacturing; home furnishings Sales of furniture; sales of daily necessities; retail of sporting goods and equipment; sales of outdoor products; sales of special instruments for teaching; sales of office supplies; sales of metal materials; sales of chemical products (excluding licensed chemical products); sales of building materials; sales of industrial textile products; sales of metal structures; import and export of goods; import and export of technology. Licensed items: pharmaceutical retail. (The branch offices are located in: Qitou No. 3 Village and Qitou No. 4 Village, Junlang Intelligent Industrial Park, Liushi Town)