Manufacturing of environmental protection specialized equipment; manufacturing of environmental emergency technical equipment; manufacturing of special operation robots; manufacturing of service consumer robots; manufacturing of environmental monitoring specialized instruments and meters; processing of mechanical parts and components; sales of environmental protection specialized equipment; sales of new energy vehicles; sales of service consumer robots; sales of environmental emergency technical equipment; sales of intelligent robots; sales of automobiles; sales of environmental monitoring specialized instruments and meters; sales of mechanical parts and components; retail of automotive spare parts; sales of renewable resources; sales of lubricating oils; environmental sanitation management (excluding environmental quality monitoring, pollution source inspection, and disposal of municipal solid waste, construction waste, and kitchen waste); motor vehicle repair and maintenance; urban and rural appearance management; municipal facility management; urban greening management; property management; flood control and drainage facility management; urban park management; scenic area management; environmental emergency treatment services; vector control services; building cleaning services; professional cleaning, washing, and disinfection services; salvage services; parking lot services; park management services; soil pollution remediation services; forestry pest control services; crop pest control services; agricultural gardening services; engineering management services; labor services (excluding labor dispatch); water pollution control; solid waste treatment (excluding collection, storage, disposal of radioactive solid waste, environmental quality monitoring, and pollution source inspection services); sewage treatment and reuse; recycling of renewable resources (excluding production scrap metal); investment activities using own funds; landscaping engineering construction; earthwork engineering construction; leasing of mechanical equipment; software development; research and development of automotive parts; research and development of intelligent robots; industrial engineering design services; information consulting services (excluding licensed information consulting services); information technology consulting services; environmental protection consulting services; technology promotion services; technical services, technology development, technical consulting, technical exchange, technology transfer, and technology promotion; technology promotion and application services; professional design services; engineering and technological research and experimental development; artificial intelligence industry application system integration services; technology import and export; import and export of goods; leasing of non-residential real estate. Licensed items: production of road motor vehicles; operational services for municipal solid waste; kitchen waste treatment; road freight transport (excluding dangerous goods); highway management and maintenance; construction engineering design; construction engineering construction.