Manufacture of road motor vehicles; road freight transport (excluding dangerous goods). General items: sales of new cars; sales of new energy vehicles; manufacture of automotive parts and accessories; wholesale of automotive parts; manufacture of new energy original power equipment; research and development of emerging energy technologies; research and development of automotive parts; engineering and technological research and experimental development; manufacture of hardware products; wholesale of hardware products; processing of mechanical parts and components; sales of mechanical parts and components; technical services, technology development, technical consultation, technical exchange, technology transfer, technology promotion; maintenance of traffic facilities; repair and maintenance of motor vehicles; repair of specialized equipment; installation and maintenance of industrial robots; manufacture of display devices; sales of display devices; manufacture of electronic specialized materials; import and export of goods; sales of trams.