Auto parts and accessories manufacturing; Motorcycle spare parts manufacturing; Hardware product manufacturing; Mold manufacturing; General equipment manufacturing (excluding special equipment manufacturing); Electronic (gas) physical equipment and other electronic equipment manufacturing; Mold sales; Auto parts wholesale; Auto parts retail; Motorcycle and spare parts retail; Mechanical equipment sales; Hardware product wholesale; Rubber product sales; Synthetic material sales; General machinery and equipment installation services; Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; Import and export of goods; Technology import and export.