Auto parts remanufacturing, auto parts and accessories manufacturing, auto parts research and development, ferrous metal casting, automobile wheel hub manufacturing, metal cutting and processing services, mechanical parts and parts processing, metal processing machinery manufacturing, high-speed rail equipment and accessories manufacturing, high-speed rail equipment and accessories sales, new material technology research and development, pump and vacuum equipment sales, pump and vacuum equipment manufacturing, technical services Services, technology development, technology consultation, technology exchange, technology transfer, technology promotion, cargo import and export, general cargo warehousing services (excluding hazardous chemicals and other items requiring license approval), non-ferrous metal alloy manufacturing, commonly used non-ferrous metal smelting, mechanical equipment research and development, motorcycle and parts research and development, information consulting services (excluding licensing information consulting services), technology import and export. Licensed items: Road cargo transportation (excluding dangerous goods).