Production of road motor vehicles; road freight transport (excluding dangerous goods); design of special equipment; internet information services; design of building intelligent systems; manufacturing of special equipment. General items: manufacturing of non-highway leisure vehicles and parts; research and development of automotive parts; manufacturing of automotive parts and accessories; technical services, technology development, technical consulting, technical exchange, technology transfer, and technology promotion; professional design services; motor vehicle repair and maintenance; wholesale of automotive parts; sales of automotive decoration supplies; sales of non-highway leisure vehicles and parts; campsite services; research and development of mechanical equipment; manufacturing of general equipment (excluding special equipment manufacturing); information technology consulting services; engineering and technological research and experimental development; integrated system services for artificial intelligence industry applications; research and development of Internet of Things technology; research and development of new material technology; software development; advertising design and agency; sales of intelligent in-vehicle equipment; sales of special equipment; sales of security equipment; manufacturing of security equipment; sales of automobiles; retail of automotive parts; sales of wood-based panels; sales of timber; sales of household appliances; sales of metal materials.