Research and development of automotive parts; manufacturing of automotive parts and accessories; wholesale of automotive parts; retail of automotive parts; research and development of mechanical equipment; processing of mechanical parts and components; sales of mechanical parts and components; manufacturing of metal materials; sales of metal materials; wholesale of hardware products; retail of hardware products; sales of new automobiles; sales of new energy vehicles; technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion; import and export of goods. Licensed items: manufacturing of road motor vehicles; road cargo transportation (excluding dangerous goods).