Manufacturing of automobile parts and accessories; manufacturing of electric vehicles; manufacturing of new energy original equipment; sales of metal materials; sales of mechanical equipment; wholesale of auto parts; sales of new energy vehicles; sales of new energy vehicle electrical accessories; sales of metal products; sales of coating equipment; manufacturing of metal structures; sales of plug-in hybrid dedicated engines; manufacturing of metal cutting and welding equipment; sales of electric vehicles; sales of automobiles; sales of mechanical parts and components; sales of molds; manufacturing of general parts; sales of environmental protection special equipment; sales of metal cutting and welding equipment; sales of metal structures; sales of construction engineering machinery; sales of containers; sales of tunnel construction special machinery; sales of agricultural machinery; goods import and export; import and export agency; technology import and export. Permitted items: road motor vehicle production.