Wholesale of motorcycles and spare parts; R&D of automobile parts; Manufacturing of motorcycle spare parts; Manufacturing of automobile parts and accessories; Motor vehicle repair and maintenance; Retail sale of automobile spare parts; Wholesale of automobile spare parts; Sales of lubricants; Sales of automobile decorative supplies; Sales of springs; Sales of metal tools; Sales of clothing accessories; Retail sale of clothing and apparel; Sales of packaging materials and products; Sales of lamps; Sales of lighting equipment Retail sales of stationery supplies; Wholesale of stationery supplies; Sales of office supplies; Sales of daily necessities; Wholesale of textiles, clothing and household products; Sales of metal products; Sales of plastic products; Internet sales (except for the sale of goods requiring licenses); Sales agency; Procurement agency services; Trade brokerage; Import and export of goods; Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion