Air pollution control; atmospheric environmental pollution prevention and control services; manufacturing of special equipment for environmental protection; manufacturing of special instruments and meters for environmental monitoring; environmental protection monitoring; mining machinery manufacturing; pump and vacuum equipment manufacturing; electronic component manufacturing; instrumentation manufacturing; intelligent instrumentation manufacturing; air pollution monitoring and detection instrumentation manufacturing; instrumentation repair; technical services, technology development, technical consultation, and technical exchanges Stream, technology transfer, technology promotion; manufacturing of machinery parts for agriculture, forestry, animal husbandry and fishery; installation and maintenance of professional machinery for agriculture, forestry, animal husbandry and fishery; manufacturing of automobile parts and accessories; manufacturing of railway rolling stock parts; ship modification; manufacturing of marine ancillary equipment; manufacturing of motorcycle parts and accessories; research and development of motorcycles and parts; research and development of motors and their control systems; manufacturing of mechanical and electrical equipment; repair of general equipment; repair of special equipment; electrical Equipment repair; software development; intelligent control system integration; engineering and technology research and experimental development; new material technology research and development; electronic and mechanical equipment maintenance (excluding special equipment); mechanical equipment research and development; auto parts research and development; motor vehicle repair and maintenance; import and export of goods; technology import and export; import and export agency; battery sales; battery spare parts sales; new energy vehicle electrical accessories sales; battery manufacturing; batteries Production of spare parts; research and development of emerging energy technologies; manufacturing of synthetic materials (excluding hazardous chemicals); recycling of renewable resources (except for productive scrap metal); research and development of resource recycling technology; sales of renewable resources; manufacturing of graphite and carbon products; research and development of electronic special materials; sales of special electronic materials; energy-saving management services; synthetic material sales licensing projects: ship repair; road cargo transportation (excluding dangerous goods)