Manufacturing of auto parts and accessories; R&D of auto parts; R&D of motorcycle parts; Manufacturing of motorcycle parts; Manufacturing of bearings, gears and transmission parts; Sales of bearings, gears and transmission parts; Manufacturing of CNC machine tools; Sales of CNC machine tools; Manufacturing of metal cutting machine tools; Sales of metal cutting machine tools; Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Hardware Product manufacturing; hardware product research and development; steel rolling processing; general equipment manufacturing (excluding special equipment manufacturing); agricultural machinery manufacturing; sporting goods manufacturing; off-highway recreational vehicle and spare parts manufacturing; off-highway recreational vehicle and spare parts sales; software development; engineering and technology research and experimental development; technical services, technology development, technical consultation, technology exchange, technology transfer, and technology promotion.