General items: Manufacturing of auto parts and accessories; solid waste treatment; manufacturing of domestic waste treatment equipment; sales of domestic waste treatment equipment; manufacturing of environmental protection special equipment; sales of environmental protection special equipment; manufacturing of sludge treatment equipment; installation services for environmental sanitation public facilities; manufacturing of environmental emergency technical equipment; sales of environmental emergency technical equipment; packaging services; manufacturing of electronic (gas) physical equipment and other electronic equipment; automobile sales; wholesale of auto parts; sales of new energy vehicles; sales of new energy vehicle production test equipment; sales of new energy vehicle electrical accessories; retail of auto parts; research and development of auto parts; recycling and cascading utilization of waste power batteries from new energy vehicles (excluding hazardous waste operations); motor vehicle repair and maintenance; battery manufacturing; car washing services; battery sales; manufacturing of metal ships; research and development of resource recycling technology; professional cleaning, washing, and disinfection services; environmental protection consulting services; engineering and technology research and experimental development; repair of special equipment; technical services, technology development, technical consulting, technology exchange, technology transfer, and technology promotion; engineering management services; water environment pollution prevention services; atmospheric environment pollution prevention services; soil environment pollution prevention services; manufacturing of marine environment monitoring and detection equipment; sales of marine environment monitoring and detection equipment; manufacturing of dust removal technical equipment; sales of soil and site remediation equipment; manufacturing of soil and site remediation equipment; manufacturing of coal-fired flue gas desulfurization and denitrification equipment; manufacturing of waste carbon fiber composite material treatment equipment; manufacturing of special operation robots; urban and rural appearance management; information system operation and maintenance services; building cleaning services; technology import and export; import and export of goods; import and export agency; inspection and appraisal of import and export commodities; labor services (excluding labor dispatch); transportation equipment leasing services; leasing services (excluding licensed leasing services); machinery and equipment leasing; housing leasing; non-residential real estate leasing; land use rights leasing; sales of special equipment; manufacturing of metal packaging containers and materials; sales of metal packaging containers and materials; manufacturing of special equipment (excluding licensed special equipment manufacturing); manufacturing of mining machinery; sales of mining machinery. Licensed items: Manufacturing of road motor vehicles; operating services for urban domestic waste; disposal (collection and transportation) of urban construction waste; production of hazardous chemical packaging and containers; manufacturing of special equipment; installation, renovation, and repair of special equipment; design of special equipment.