Technical services, technical development, technical consulting, technical exchange, technical transfer, and technical promotion; manufacturing of automotive parts and accessories; manufacturing of automotive wheels; manufacturing of railway locomotive and rolling stock parts; manufacturing of high-speed rail equipment and parts; research and development of automotive parts; sales of non-ferrous metal alloys; sales of high-performance non-ferrous metals and alloy materials; manufacturing of mechanical and electrical equipment; manufacturing of general equipment (excluding special equipment); manufacturing of general parts; research and development of new material technologies; promotion services for new material technologies; sales of graphite and carbon products; manufacturing of metal materials; manufacturing of electronic special equipment; manufacturing of power electronic components; sales of power electronic components; sales of metal matrix composites and ceramic matrix composites; sales of high-performance fibers and composite materials; sales of new metal functional materials; sales of synthetic materials; sales of new ceramic materials; manufacturing of high-performance fibers and composite materials; sales of high-quality special steel materials; sales of civil aviation materials; sales of electronic special materials; manufacturing of integrated circuits; sales of new energy vehicles; sales of aviation transportation equipment; sales of railway transportation infrastructure equipment; sales of high-speed rail equipment and parts; research and development of household appliances; sales of household appliances; sales of electronic products; manufacturing of communication equipment; manufacturing of mobile terminal equipment; sales of optical communication equipment; sales of communication equipment; sales of satellite mobile communication terminals; manufacturing of non-ferrous metal alloys; import and export of goods; import and export of technologies; sales of metal materials. Licensed items: manufacturing of non-metallic ships; production of road motor vehicles; manufacturing of railway locomotives and rolling stock; design of special equipment.