Research and development of new material technology; research and development of motorcycles and parts; research and development of motors and their control systems; research and development of mechanical equipment; technical services, technology development, technical consultation, technology exchange, technology transfer, and technology promotion; bicycle manufacturing; moped manufacturing; off-highway recreational vehicles and spare parts manufacturing; mopeds and mobility aids Sales of vehicles and spare parts; wholesale of bicycles and spare parts; sales of daily necessities; sales of instruments and meters; sales of lamps; sales of metal products; wholesale of motorcycles and spare parts; wholesale of hardware products; electric bicycle repair; bicycle repair; conference and exhibition services; import and export of goods; import and export of technology; import and export agency