General aviation services; surveying and mapping services; civil aircraft pilot training. General projects: software development; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; research and development of intelligent robots; research and development of Internet of Things technology; research and development of mechanical equipment; manufacturing of intelligent unmanned aerial vehicles; manufacturing of navigation aids and related devices; manufacturing of general equipment (excluding manufacturing of special equipment); manufacturing of mechanical and electrical equipment; manufacturing of optical instruments; manufacturing of film and television recording and playback equipment; navigation, surveying, meteorology and oceanographic expertise Instrument manufacturing; Communication equipment manufacturing; Computer software, hardware and peripheral equipment manufacturing; Software sales; Intelligent unmanned aerial vehicle sales; Mechanical equipment sales; Mechanical and electrical equipment sales; Communication equipment sales; Optical instrument sales; Navigation, surveying, meteorological and oceanographic special instruments sales; Computer software, hardware and auxiliary equipment retail; Computer software, hardware and auxiliary equipment wholesale; Intelligent robot sales; Broadcasting, film and television equipment sales; Conference and exhibition services Services (exhibitions abroad must be approved by relevant departments); aviation business services; aviation operation support services; software outsourcing services; photography and video production services; film shooting services; emergency rescue services; mechanical equipment rental; leasing services (excluding licensed rental services); import and export of goods; technology import and export; import and export agents; new energy vehicle vehicle sales; car sales; tram sales; new energy vehicle electrical accessories sales; new energy vehicle replacement Sales of electrical facilities; operation of electric vehicle charging infrastructure; second-hand car brokerage; second-hand car trading market operation; motor vehicle repair and maintenance [branch operation]; battery sales; motor vehicle appraisal and evaluation; tire sales; wholesale of motorcycles and spare parts; retail of motorcycles and spare parts; sales of charging piles; car wash services [branch operation]; research and development of emerging energy technologies; energy storage technology services; power generation technology services; wind power technology services.