Road motor vehicle production, road freight transport (excluding dangerous goods), dangerous chemical packaging and container production, motor vehicle inspection and testing services. General items: import and export of goods, technology import and export, import and export agency, automobile sales, automobile parts and accessories manufacturing, motor vehicle repair and maintenance, wholesale of auto parts, retail of auto parts, sales of new energy vehicles, wholesale of hardware products, retail of hardware products, sales of mechanical parts and components, sales of metal materials, sales of pumps and vacuum equipment, sales of building materials, technical services, technology development, technical consulting, technology exchange, technology transfer, technology promotion, information technology consulting services, non-residential real estate leasing, machinery and equipment leasing, special equipment manufacturing (excluding licensed professional equipment manufacturing), sales of metal packaging containers and materials, sales of special equipment, sales of metal products, sales of packaging special equipment, sales of chemical products (excluding licensed chemical products).