Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; import and export of goods; import and export of technology; Internet sales (except for the sale of goods requiring licenses); manufacturing of off-highway recreational vehicles and spare parts; sales of off-highway recreational vehicles and spare parts; manufacturing of motorcycle parts and accessories; manufacturing of mopeds; mopeds and agents Sales of scooters and spare parts; research and development of motorcycles and spare parts; retail of motorcycles and spare parts; wholesale of motorcycles and spare parts; wholesale of bicycles and spare parts; retail of bicycles and spare parts; bicycle manufacturing; electric bicycle repair; electric bicycle sales; shared bicycle services; motor vehicle charging sales; battery sales; tram sales; electric bicycles. Pool manufacturing; leasing services (excluding licensed leasing services); industrial design services; graphic design and production; advertising design, agency; corporate image planning; furniture manufacturing; furniture spare parts production; furniture spare parts sales; daily necessities sales; daily necessities sales; building decoration material sales; construction ceramic products sales; daily household appliances retail; Sales of household appliances; sales of knitted textiles and raw materials; sales of daily chemical products; sales of daily sundries; sales of daily wood products; sales of metal tools; research and development of kitchenware, sanitary ware and daily sundries; wholesale of protective equipment for medical staff; retail of protective equipment for medical staff; sales of sanitary products and disposable medical supplies; mold manufacturing; and mold sales.