Design, production, sales, and maintenance consulting services for special vehicles; technology and product development, technical services, product production, and sales in the field of artificial intelligence; application software services; research and development, production, installation, sales of range equipment, and range construction; design, production, sales, and maintenance consulting services for vehicle-mounted systems; design, manufacture, installation, and system integration of transportation equipment and steel-wood structures; production and sales of hardware, electromechanical equipment, wires and cables, communication equipment, auto parts, lighting equipment, warehouse storage appliances, and cabinets; design, production, and sales of shelters; design and installation of communication base stations; vehicle leasing; production, sales, and maintenance consulting services for automotive seats; sales and maintenance consulting services for generator sets; production and sales of tents and various general tools. General items: Container repair; metal product repair; general equipment repair; specialized equipment repair; motor vehicle repair and maintenance; automobile sales; new energy vehicle sales; manufacturing of auto parts and accessories; wholesale of auto parts; retail of auto parts; sales of automotive decoration supplies; research and development of auto parts; processing of mechanical parts and components; sales of mechanical parts and components; manufacture of general equipment (excluding special equipment); sales of mechanical equipment; research and development of mechanical equipment; sales of mechanical and electrical equipment; manufacture of mechanical and electrical equipment; information system integration services; manufacture of communication equipment; sales of communication equipment; sales of communication devices; retail of computer software and hardware and auxiliary equipment; wholesale of computer software and hardware and auxiliary equipment; manufacture of intelligent vehicle-mounted equipment; import and export of goods; import and export of technologies; import and export agency.