Manufacturing of motorcycle parts and accessories; research and development of motorcycles and parts; retail of motorcycles and spare parts; manufacturing of automobile parts and accessories; research and development of automobile parts; retail of automobile parts; manufacturing of bearings, gears and transmission parts; sales of bearings, gears and transmission parts; sales of gears and gear reduction and transmission parts; manufacturing of general parts; processing of mechanical parts and parts; sales of mechanical parts and parts; manufacturing of instruments and meters; manufacturing of intelligent instruments and meters; manufacturing of other special instruments; sales of instruments and meters; household appliances Appliance manufacturing; R&D of household appliances; Sales of household appliance spare parts; Hardware product manufacturing; Hardware product R&D; Hardware product retail; Metal material manufacturing; Metal material sales; Rubber product manufacturing; Rubber product sales; Plastic surface treatment; Automobile decoration products manufacturing; Daily necessities sales; Import and export of goods; Technology import and export; Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; General cargo warehousing services (excluding hazardous chemicals and other items requiring license approval).