Manufacturing of off-highway recreational vehicles and spare parts; battery manufacturing; sales of off-highway recreational vehicles and spare parts; sales of special equipment; leasing of special equipment; sales of batteries; sales of battery spare parts; sales of special electronic materials; leasing of batteries; sales of security equipment; manufacturing of metal products for safety and fire protection; research and development of emerging energy technologies; Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; electrical equipment repair; wholesale of automobile spare parts; wholesale of hardware products; wholesale of motorcycles and spare parts; sales of bicycles for the disabled; sales of electric bicycles; maintenance of electric bicycles; sales of mechanical and electrical equipment; sales of molds; intelligent wireless Manufacturing of human aircraft; sales of intelligent unmanned aerial vehicles; research and development of intelligent robots; sales of intelligent power transmission, distribution and control equipment; sales of intelligent vehicle-mounted equipment; sales of new energy vehicle production and testing equipment; sales of service consumption robots; operation of electric vehicle charging infrastructure; sales of special equipment for environmental protection; management of tourist attractions ; Parking lot services; sales of new energy vehicle battery swapping facilities; software development; network and information security software development; information system integration services; shared bicycle services; Internet sales (except for the sale of goods requiring licenses); car sales; new energy vehicle sales; property management; import and export of goods; import and export of technology. Licensed projects: special equipment manufacturing; road passenger transportation operations; school bus operation services; civil airport operations; cruise taxi operation services; Internet live broadcast technology services.