Road motor vehicle manufacturing; road freight transport (network freight); road freight transport (excluding dangerous goods); catering services; first-class value-added telecommunications services; second-class value-added telecommunications services. General items: engineering and technological research and experimental development; electromechanical coupling system research and development; energy recovery system research and development; automobile sales; new energy vehicle sales; motor vehicle repair and maintenance; mechanical equipment research and development; general equipment manufacturing (excluding special equipment manufacturing); mechanical equipment sales; mechanical and electrical equipment manufacturing; mechanical and electrical equipment sales; intelligent port handling equipment sales; mining machinery manufacturing; mining machinery sales; mechanical parts and components processing; mechanical parts and components sales; forging and powder metallurgy product manufacturing; forging and powder metallurgy product sales; mold manufacturing; mold sales; metal cutting processing services; spray coating processing; metal surface treatment and heat treatment processing; general mechanical equipment installation services; electronic and mechanical equipment maintenance (excluding special equipment); general equipment repair; instrument manufacturing; instrument sales; automotive parts research and development; automotive parts and accessories manufacturing; automotive parts and accessories retail; automotive parts and accessories wholesale; new energy vehicle electrical accessories sales; motor manufacturing; battery manufacturing; battery sales; technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; software development; software sales; internet data services; data processing services; information technology consulting services; data processing and storage support services; mechanical equipment leasing; land use rights leasing; non-residential real estate leasing; residential leasing; leasing services (excluding licensed leasing services); general cargo storage services (excluding items requiring permits such as dangerous chemicals); road freight transport station operations; goods import and export; technology import and export; advertising design and agency; advertising production; advertising publication; labor services (excluding labor dispatch); unit logistics management services; second-class medical device sales; second-class medical device leasing; metal material sales; electronic product sales; hardware product retail; hardware product wholesale; electronic component wholesale; new energy vehicle battery swap facility sales; intelligent in-vehicle equipment manufacturing; intelligent in-vehicle equipment sales; electric vehicle charging infrastructure operation; motor vehicle charging sales; battery leasing; automotive decoration product sales; daily necessities sales; general merchandise sales; clothing and apparel wholesale; clothing and apparel retail; lubricating oil sales.