Metal processing machinery manufacturing; Mechanical parts and parts processing; Metal material manufacturing; Bearings, gears and transmission parts manufacturing; Optoelectronic device manufacturing; Electronic special equipment manufacturing; Mechanical and electrical equipment manufacturing; Hardware product manufacturing; Nonferrous metal casting; Plastic product manufacturing; Semiconductor device special equipment manufacturing; Mold manufacturing; Mold sales; Electronic product sales; Packaging materials and product sales; Rubber product sales; Metal structure sales; Metal product sales; Hardware product wholesale; Sales of machinery and equipment; Internet sales (except for sales of goods requiring licenses); Wholesale of electronic components; Wholesale of automobile spare parts; Retail of automobile spare parts; Retail of motorcycles and spare parts; Wholesale of motorcycles and spare parts; Software development; Research and development of mechanical equipment; Research and development of metal products; Technical services, technology development, technical consultation, technical exchange, technology transfer, and technology promotion; Import and export of goods; Import and export of technology; Sales of plastic products; Sales of office supplies; Sales of first-class medical devices. Licensed items: Production of Class III medical devices.