Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; sales of intelligent robots; sales of smart vehicle-mounted equipment; sales of smart home consumer equipment; sales of micro motors and components; sales of mopeds, scooters and spare parts; retail of bicycles and spare parts; wholesale of bicycles and spare parts; wholesale of motorcycles and spare parts; sales of off-highway recreational vehicles and spare parts; battery sales; wholesale of hardware products Sales of plastic products; sales of toys; sales of gears and gear reducers and gearboxes; sales of electronic products; sales of artificial intelligence hardware; sales of electric bicycles; sales of complete new energy vehicles; sales of new energy vehicle electrical accessories; sales of new energy vehicle battery swapping facilities; sales of new energy vehicle production and testing equipment; sales of charging piles; industrial design services; information system integration services; business management consulting; import and export of goods; import and export of technology.