Manufacturing of automotive parts and accessories; sales of new energy vehicle production testing equipment; engineering and technological research and experimental development; enterprise management; urban greening management; leasing of mechanical equipment; technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion; sales of new energy vehicles; operational services for rural household waste; leasing of special equipment; leasing of charging control equipment; technology import and export; import and export agency; import and export of goods; leasing of small and micro passenger vehicles; manufacturing of containers; repair of containers; sales of containers; manufacturing of metal products for safety and fire protection; repair of metal products; manufacturing of metal structures; sales of metal structures; manufacturing of metal tools; sales of metal tools; sales of metal materials; manufacturing of general equipment (excluding special equipment manufacturing); manufacturing of general parts; manufacturing of specialized machinery for tunnel construction; manufacturing of environmental protection specialized equipment; manufacturing of specialized equipment (excluding licensed specialized equipment manufacturing); manufacturing of security equipment; sales of security equipment; manufacturing of intelligent vehicle-mounted equipment; sales of intelligent vehicle-mounted equipment; wholesale of automotive parts; sales of software; manufacturing of construction engineering machinery; sales of mechanical parts and components; repair of general equipment; sales of fire-fighting equipment; manufacturing of specialized machinery for building materials; property management; leasing services (excluding licensed leasing services); sales of automobiles; parking lot services; professional cleaning, washing, and disinfection services; environmental emergency treatment services; building cleaning services; landscaping engineering construction; management of municipal facilities; urban and rural appearance management; urban park management; water pollution treatment. Licensed items: manufacturing of road motor vehicles; operational services for urban household waste; road freight transport (excluding dangerous goods); manufacturing of civil air defense engineering protection equipment.