Manufacturing of automobile parts and accessories; manufacturing of motorcycle parts; manufacturing of mechanical parts and parts; manufacturing of hardware products; manufacturing of plastic products; manufacturing of general equipment (excluding manufacturing of special equipment); manufacturing of general parts; manufacturing of gas, liquid separation and purification equipment; manufacturing of electronic components; manufacturing of industrial automatic control system devices; manufacturing of metal materials; non-ferrous metal casting; manufacturing of forgings and powder metallurgy products; manufacturing of special equipment (excluding manufacturing of licensed professional equipment); manufacturing of seals; wholesale of automobile parts; wholesale of motorcycles and spare parts Development; sales of machinery and equipment; sales of metal products; sales of gas, liquid separation and purification equipment; sales of mechanical parts and components; wholesale of hardware products; sales of metal materials; sales of seals; sales of forgings and powder metallurgy products; research and development of motorcycles and parts; research and development of auto parts; research and development of new material technology; advertising production; office services; conference and exhibition services; non-residential real estate leasing; technical services, technology development, technology consultation, technology exchange, technology transfer, technology promotion; property management; import and export of goods; technology import and export. Licensed project: construction project construction.