Road freight transport (excluding dangerous goods); Manufacturing of road motor vehicles; Manufacturing of special equipment. General items: Leasing of machinery and equipment; Technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion; Repair and maintenance of motor vehicles; Sale of new energy vehicle battery swap facilities; Sale of building materials; Import and export of technology; Wholesale of automotive parts; Sale of office supplies; Manufacturing of automotive parts and accessories; Retail of automotive parts; Sale of automotive accessories; Import and export of goods; Research and development of hardware products; Research and development of automotive parts; Sale of new energy vehicle production testing equipment; Sale of household appliances; Sale of new energy vehicles; Sale of specialized chemical products (excluding hazardous chemicals); Marketing planning; Sale of special equipment; Sale of automobiles; Sale of intelligent unmanned aerial vehicles; Manufacturing of general equipment (excluding special equipment manufacturing); Manufacturing of special operation robots; Manufacturing of mechanical and electrical equipment; Sale of mechanical and electrical equipment; Research and development of intelligent robots; Sale of intelligent robots; Sale of intelligent in-vehicle equipment; Sale of security equipment; Manufacturing of mopeds; Sale of mopeds, electric bicycles, and parts; Manufacturing of non-road leisure vehicles and parts; Repair of electric bicycles; Sale of electric bicycles; Sale of non-road leisure vehicles and parts; Repair of general equipment; Data processing and storage support services; Satellite remote sensing data processing; Big data services; Sale of artificial intelligence hardware; System integration services for artificial intelligence applications; Sale of Class I medical devices; Sale of Class II medical devices; Sale of fire-fighting equipment; Fire-fighting technical services; Sale of mobile communication equipment; Satellite communication services; Retail of computer software and hardware and auxiliary equipment; System integration services; Research and development of mechanical equipment; Sale of mechanical equipment; Manufacturing of metal chains and other metal products; Development of network and information security software; Geographic remote sensing information services; Manufacturing of furniture; Sale of furniture; Manufacturing of safety and fire-fighting metal products; Sale of supply instruments and meters; Manufacturing of industrial robots; Sale of industrial robots; Sale of charging piles; Sale of electrical signal device equipment; Manufacturing of traffic safety and control specialized equipment; Sale of refrigeration and air conditioning equipment; Container repair; Container manufacturing; Sale of containers; Sale of generators and generator sets; Sale of lighting fixtures; Manufacturing of intelligent unmanned aerial vehicles; Sale of diving and rescue equipment.