General projects: Technical services, technical development, technical consultation, technical exchange, technology transfer, and technology promotion; Retail of hardware products; Wholesale of hardware products; Sales of metal materials; Sales of electronic products; Sales of lighting fixtures; Sales of lighting fixtures; Retail of automotive parts; Wholesale of automotive parts; Wholesale of motorcycles and spare parts; Retail of motorcycles and spare parts; Sales of pneumatic and electric tools; Office equipment sales; Sales of fire-fighting equipment; Sales of specialized environmental protection equipment; Sales of daily necessities; Sales of needle textiles and raw materials; Installation services for general mechanical equipment; Operation of electric vehicle charging infrastructure; Sales of new energy vehicle exchange facilities; Sales of intelligent transmission and distribution and control equipment; Sales of charging stations; Sales of new energy vehicle electrical accessories; Sales of intelligent on-board equipment; Information system integration services; Industrial Internet Data Services; Engineering management services; Engineering technical services (excluding planning management, survey, design, and supervision); Installation and maintenance of industrial robots; Contract energy management; Automobile sales; Sales of mechanical and electrical equipment; Leasing services (excluding licensed leasing services); Information technology consulting services; Enterprise management consulting; Import and export of goods; Technology import and export. (Except for projects that require approval in accordance with the law, business activities shall be carried out independently with the business license in accordance with the law) Licensed project: Construction engineering construction. (For projects that require approval according to law, business activities can only be carried out with the approval of relevant departments. The specific business projects shall be subject to the approval documents or permits of relevant departments. )