“Manufacturing of intelligent instruments and meters; development of intelligent water systems; manufacturing of industrial automatic control system devices; sales of industrial automatic control system devices; manufacturing of pumps and vacuum equipment; manufacturing of environmental protection special equipment; software development; professional cleaning, disinfection, and sterilization services; manufacturing of metal packaging containers and materials; technical services, technical development, technical consultation, technical exchange, technology transfer, and technology promotion; manufacturing of mechanical and electrical equipment; sales of mechanical and electrical equipment; sales of pumps and vacuum equipment; sales of environmental protection special equipment; manufacturing of computer software, hardware, and peripheral equipment; research and development of resource recycling technology; manufacturing of additive manufacturing equipment; sales of synthetic materials; manufacturing of metal processing machinery; sales of intelligent basic manufacturing equipment; manufacturing of metal daily necessities; manufacturing of hardware products; manufacturing of metal chains and other metal products; manufacturing of safety and fire-fighting metal products; manufacturing of specialized equipment for daily chemical industry; manufacturing of electronic (gas) physical equipment and other electronic equipment; manufacturing of metal accessories for construction; manufacturing of metal materials; manufacturing of metal cutting and welding equipment; sales of specialized equipment for lighting appliance production; manufacturing of specialized instruments; manufacturing of metal tools; manufacturing of packaging specialized equipment; manufacturing of lighting appliances; processing of doors and windows; manufacturing of specialized equipment (excluding licensed specialized equipment manufacturing); sales of mechanical equipment; sales of metal packaging containers and materials; sales of metal chains and other metal products; sales of containers; sales of instruments and meters; sales of metal products; sales of supply instruments and meters; sales of new metal functional materials; sales of metal accessories for construction; sales of electronic measuring instruments; sales of metallurgical specialized equipment; sales of power facility equipment; sales of intelligent instruments and meters; sales of metal materials; sales of non-ferrous metal alloys; sales of metal cutting and welding equipment; sales of mechanical parts and components; sales of daily necessities; research and development of metal products; sales of packaging materials and products; manufacturing of furniture; sales of metal tools; repair of metal products; production of furniture parts; retail of hardware products; sales of high-performance non-ferrous metals and alloy materials; metal cutting processing services; sales of environmental monitoring special instruments and meters; wholesale of kitchen, bathroom, and daily miscellaneous items; sales of household appliances; repair of specialized equipment; repair of general equipment; sales of furnaces, kilns, and electric furnaces; sales of electric heating food processing equipment; manufacturing of specialized equipment for daily necessities production; sales of metal cutting machine tools; sales of power distribution switchgear equipment; manufacturing of refrigeration and air conditioning equipment; manufacturing of electrical machinery specialized equipment; manufacturing of metallurgical specialized equipment; manufacturing of specialized equipment for lighting appliance production; manufacturing of containers; sales of insulation materials; manufacturing of electronic specialized equipment; import and export of goods; import and export of technologies; road freight transport of general cargo vehicles with a total mass of 4.5 tons or less (excluding online freight and dangerous goods).”,