Production of road motor vehicles. General projects: auto parts and accessories manufacturing, auto sales, auto parts research and development, auto parts wholesale, auto parts retail, technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion, motor vehicle repair and maintenance, auto decorative supplies manufacturing, auto parts remanufacturing, auto decorative supplies sales, non-ferrous metal alloy manufacturing, professional design services, metal products research and development, Sales of rail transit special equipment, key systems and components, sales of gears and gear reducers, gearboxes, sales of bearings, gears and transmission parts, new material technology research and development, sales of mechanical parts and components, general equipment manufacturing (excluding special equipment manufacturing), transportation equipment rental services, metal structure sales, metal structure manufacturing, building materials sales, automobile wheel hub manufacturing, rubber product sales, new energy vehicle sales , sales of new energy vehicle electrical accessories, sales of new energy vehicle battery swapping facilities, sales of new energy vehicle production and testing equipment, tram sales, small and micro bus rental and operation services, non-ferrous metal rolling processing, material handling equipment manufacturing, renewable resource processing, bearing sales, renewable resource recycling (except productive scrap metal), engineering and technology research and experimental development, resource recycling technology research and development, mechanical equipment research and development, motorcycle R&D of trailers and parts, import and export of technology, R&D of special electronic materials, import and export of goods, sales of off-highway recreational vehicles and spare parts, manufacturing of off-highway recreational vehicles and spare parts, maintenance of transportation facilities, rental services (excluding licensed rental services), sales of metal materials, sales of synthetic materials, sales of labor protection products, leisure and sightseeing activities, manufacturing of special equipment (excluding manufacturing of licensed professional equipment), and camping services.