Manufacture of general equipment (excluding special equipment manufacturing); Manufacture of general parts; Manufacture of machine tool functional components and accessories; Manufacture of electronic components and electromechanical component equipment; Manufacture of specialized equipment (excluding licensed specialized equipment manufacturing); Manufacture of automotive parts and accessories; Manufacture of high-speed rail equipment and accessories; Manufacture of railway locomotive and rolling stock parts; Manufacture of marine supporting equipment; Manufacture of power distribution switchgear equipment; Manufacture of power electronic components; Manufacture of photovoltaic equipment and components; Manufacture of electrical accessories; Manufacture of power transmission and distribution control equipment; Manufacture of electrical signal device equipment; Research and development of motors and their control systems; Manufacture of mechanical and electrical equipment; Manufacture of computer hardware, software, and peripheral equipment; Manufacture of industrial control computers and systems; Manufacture of terminal testing equipment; Manufacture of IoT equipment; Manufacture of integrated circuits; Manufacture of integrated circuit chips and products; Manufacture of electronic (gas) physical equipment and other electronic equipment; Manufacture of industrial automatic control system devices; Manufacture of instruments and meters; Manufacture of intelligent instruments and meters; Manufacture of supply application instruments and meters; Manufacture of other general instruments; Manufacture of electronic measuring instruments; Repair of electrical equipment; Repair of instruments and meters; Professional repair of communication transmission equipment.