Operations prohibited by laws, regulations, and State Council decisions shall not be conducted; operations requiring permission (approval) as stipulated by laws, regulations, and State Council decisions shall be conducted after approval by the approving authority with the permission (approval) document; operations not requiring permission (approval) as stipulated by laws, regulations, and State Council decisions shall be independently chosen by the market entity. (Bus manufacturing, modification, overhaul, complete overhaul, container exchange; automobile chassis assembly; machining; pressure vessel installation; research and development, production, assembly, and sales of motor vehicles, new energy vehicles, and related parts and accessories; vehicle leasing services; sales and repair of mechanical equipment and parts, electromechanical equipment, Class II and III electromechanical products, instruments and meters, and rubber products; self-operated and agency technology and business consulting services (excluding investment consulting); sales, installation, and maintenance services of on-board and off-board electric vehicle chargers (piles) and accessories, charging stations and background monitoring systems, and application programs; charging station construction and charging operation services; self-operated and agency import and export of various goods and technologies (excluding goods and technologies restricted or prohibited by the state).)