Road motor vehicle production; urban domestic waste operational services; kitchen waste treatment; labor dispatch services; construction engineering construction. General items: manufacture of auto parts and accessories; wholesale of auto parts; retail of auto parts; automobile sales; sales of new energy vehicles; research and development of auto parts; sales of machinery and equipment; research and development of machinery and equipment; manufacture of specialized equipment (excluding licensed specialized equipment manufacturing); manufacture of environmental protection specialized equipment; sales of environmental protection specialized equipment; manufacture of domestic waste treatment equipment; manufacture of agricultural, forestry, animal husbandry and fishery machinery parts; manufacture of specialized machinery for agriculture, forestry, animal husbandry and sideline fisheries; rural domestic waste operational services; professional cleaning, washing and disinfection services; sewage treatment and its reuse; water environmental pollution prevention services; sales of domestic waste treatment equipment; municipal facility management; landscaping engineering construction; urban greening management; park management services; property management; urban and rural appearance management; urban park management; manufacture of non-highway leisure vehicles and parts; sales of non-highway leisure vehicles and parts; software development; enterprise management consulting; 5G communication technology services; internet of things technology services; information technology consulting services; import and export of goods; import and export of technology.