Licensed items: manufacturing of road motor vehicles. General items: manufacturing of automotive parts and accessories; manufacturing of sludge treatment equipment; manufacturing of environmental protection special equipment; manufacturing of special equipment (excluding licensed professional equipment manufacturing); manufacturing of new energy original power equipment; manufacturing of general parts; manufacturing of fasteners; processing of mechanical parts and components; manufacturing of general equipment (excluding special equipment manufacturing); sales of metal materials; sales of mechanical equipment; wholesale of automotive parts; sales of new energy vehicles; sales of automobiles; sales of new energy vehicle electrical accessories; sales of electrical equipment; sales of metal products; sales of fire-fighting equipment; sales of mechanical parts and components; sales of domestic waste treatment equipment; import and export of goods; import and export of technology; import and export agency.