Manufacturing of auto parts and accessories; wholesale of auto parts; retail of auto parts; manufacturing of auto decorative products; sales of auto decorative products; manufacturing of motorcycle parts; wholesale of motorcycles and spare parts; retail of motorcycles and spare parts; sales of mopeds, scooters and spare parts; bicycles and spare parts Wholesale of parts; retail of bicycles and spare parts; sales of metal materials; sales of plastic products; wholesale of hardware products; retail of hardware products; sales of lamps; technical services, technology development, technical consultation, technology exchange, technology transfer, and technology promotion; manufacturing of metal products for safety and fire protection; sales of metal products