Manufacturing of auto parts and accessories; research and development of auto parts; wholesale of auto parts; research and development of motorcycle parts; manufacturing of motorcycle parts; wholesale of motorcycles and parts; steel rolling processing; metal material manufacturing; manufacturing of mechanical and electrical equipment; sales of electrical machinery and equipment; research and development of new material technology; technical services, technology development, technical consultation, technology exchange, technology transfer, and technology promotion. Licensed items: import and export of goods; import and export of technology.