Wholesale of auto parts; manufacturing of paper products; sales of paper products; manufacturing of special equipment for pulping and papermaking; R&D of auto parts; retail of auto parts; motor manufacturing; sales of generators and generator sets; manufacturing of power dynamometer motors; R&D of motors and their control systems; manufacturing of motorcycle parts; research and development of motorcycle parts Development; wholesale of motorcycles and spare parts; retail of motorcycles and spare parts; manufacturing of machine tool functional parts and accessories; mold manufacturing; mold sales; sales of machine tool functional parts and accessories; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; technology intermediary services; professional design services. Licensed items: Inspection and testing services.