Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; sales of bearings, gears and transmission parts; manufacturing of bearings, gears and transmission parts; new material technology research and development; investment activities with own funds; automobile parts and accessories manufacturing; motorcycle parts manufacturing; motorcycle and parts retail; general parts manufacturing; Calendering processing; sales of high-performance nonferrous metals and alloy materials; research and development of metal products; sales of metal products; manufacturing of metal materials; sales of metal materials; sales of new metal functional materials; research and development of hardware products; wholesale of hardware products; retail of hardware products; manufacturing of electronic components; power electronic components Sales of parts; sales of molds; research and development of machinery and equipment; sales of machinery and equipment; sales of mechanical and electrical equipment; manufacturing of plastic products; sales of plastic products; electronic weighing services; import and export of goods; import and export of technology; non-residential real estate leasing; property management; leasing services (excluding licensed leasing services).