Intelligent control system integration; sales of electrical equipment; sales of office equipment; sales of intelligent basic manufacturing equipment; sales of industrial control computers and systems; sales of special equipment for environmental protection; sales of intelligent robots; sales of industrial robots; sales of artificial intelligence hardware; sales of intelligent instruments; sales of intelligent power transmission and distribution and control equipment; sales of mechanical and electrical equipment; materials Sales of handling equipment; sales of automobile decorative supplies; wholesale of computer software, hardware and auxiliary equipment; automobile sales; wholesale of automobile spare parts; sales of pneumatic power machinery and components; sales of Internet of Things equipment; sales of wires and cables; sales of hydraulic power machinery and components; wholesale of motorcycles and spare parts; sales of electric bicycles; sales of lighting equipment; sales of daily necessities; sports Retail sales of supplies and equipment; retail sales of hardware products; sales of communication equipment; sales of household appliances; sales of lubricants; retail sales of clothing and apparel; sales of office supplies; sales of teaching models and teaching aids; sales of special instruments for teaching; software development; business training (excluding education training, vocational skills training and other training that require a license); general equipment repair; import and export of goods; Technology import and export; technical services, technology development, technology consultation, technology exchange, technology transfer, and technology promotion; installation and maintenance of professional machinery for agriculture, forestry, animal husbandry, and sideline fisheries; motor vehicle repair and maintenance; safety technical training for special operations personnel; educational consulting services (excluding education and training activities involving license approval); experiential expansion activities and planning; computers and communication equipment Rental; sales of cameras and equipment; computer system services; data processing services; organization of sports performances; conference and exhibition services; organization of cultural and artistic exchange activities; manufacturing of special instruments for environmental monitoring; manufacturing of special electronic materials; manufacturing of intelligent vehicle-mounted equipment; manufacturing of special electronic equipment; mold manufacturing; manufacturing of teaching models and teaching aids; automobile parts and accessories manufacturing; motorcycle spare parts manufacturing; manufacturing of specialized machinery for agriculture, forestry, animal husbandry, and fishery; pneumatic power machinery and component manufacturing; power electronic component manufacturing; special operation robot manufacturing; Internet of Things equipment manufacturing; material handling equipment manufacturing; teaching-specific instrument manufacturing; intelligent instrumentation manufacturing; tunnel construction-specific machinery manufacturing; tunnel construction-specific machinery sales ; Manufacturing of special equipment for environmental protection; Manufacturing of consumer service robots; Sales of machinery for construction engineering; Manufacturing of machinery for construction engineering; Repair of special equipment; Manufacturing of spray guns and similar equipment; Sales of spray guns and similar equipment; Production of first-class medical equipment; Construction of landscaping projects; Municipal facility management; Sales of fire protection equipment; Sales of environmental emergency detection instruments; Potential sales Sales of water rescue and salvage equipment; information technology consulting services; power generation technology services; business management consulting; electrical equipment repair; research and development of distribution switch control equipment; sales of experimental analysis instruments; engineering management services; network technology services; engineering and technology research and experimental development; socioeconomic consulting services; information system integration services; mechanical equipment leasing; and sales of special equipment. Licensed projects: Internet gaming services; construction engineering construction; residential interior decoration; installation, maintenance and testing of power transmission, power supply and power receiving power facilities; electrical installation services; special equipment manufacturing; special equipment design.