Road motor vehicle production; Special equipment manufacturing; Special equipment installation, modification, and repair. General items: Environmental emergency technical equipment manufacturing; Security equipment manufacturing; New energy prime mover equipment manufacturing; Mechanical equipment research and development; Electric vehicle manufacturing; Automobile sales; General equipment manufacturing (excluding special equipment manufacturing); Mechanical and electrical equipment manufacturing; Container manufacturing; Automobile parts and accessories manufacturing; Automobile parts research and development; Pump and vacuum equipment manufacturing; Generator and generator set manufacturing; Power transmission and distribution and control equipment manufacturing; Gas compression machinery manufacturing; Environmental protection special equipment manufacturing; Sludge treatment equipment manufacturing; Power distribution switchgear equipment manufacturing; Emergency rescue services; Diving and salvage equipment manufacturing; Flood control and drainage facility management; Underwater systems and operation equipment manufacturing; Valve and cock research and development; Technical services, technology development, technical consultation, technical exchange, technology transfer, and technology promotion; Motor vehicle repair and maintenance; Electronic and mechanical equipment maintenance (excluding special equipment); General equipment repair; Mechanical parts and components processing; Information system integration services; Intelligent control system integration; Mechanical equipment leasing; Municipal facility management; Fire-fighting technical services; Import and export of goods; Business training (excluding training requiring licenses such as education and vocational training); Energy storage technical services; Battery manufacturing.