Import and export of goods; import and export of technology; import and export agency; Internet sales (except for the sale of goods requiring licenses); wholesale of auto parts and accessories; retail of auto parts and accessories; wholesale of motorcycles and spare parts; wholesale of motorcycles and spare parts; wholesale of hardware products; retail of hardware products; sales of electronic products; sales of machinery and equipment; sales of rubber products; sales of plastic products; sales of lubricants; sales of metal materials; information consulting services (excluding licensed information consulting services); technical services, technology development, technical consulting, technical exchanges, technology transfer, and technology promotion.