Battery manufacturing; Battery sales; New energy vehicle battery swap facility sales; Information system integration services; Engineering and technology research and experimental development; Centralized fast charging stations; Charging pile sales; New energy vehicle production and testing equipment sales; New energy vehicle electrical accessory sales; Intelligent control system integration; Photovoltaic equipment and component sales; Intelligent power transmission, distribution, and control equipment sales; Power electronic component manufacturing; Advanced power electronic device sales; Transformer, rectifier, and inductor manufacturing; Power distribution switchgear equipment manufacturing; Electronic special equipment manufacturing; Software development; Technical services, technical development, technical consulting, technical exchange, technology transfer, technology promotion; Import and export of goods; Big data services; Internet data services; Computer software and hardware and peripheral equipment manufacturing; Cloud computing equipment sales; Cloud computing equipment manufacturing; Artificial intelligence application software development; Artificial intelligence hardware sales; Artificial intelligence industry application system integration services; Engineering management services; Industrial automation control system device manufacturing; Information technology consulting services; Internet of Things application services; Integrated circuit sales; Integrated circuit manufacturing; Communication equipment manufacturing; Intelligent basic manufacturing equipment sales; Foreign contracted projects. Permitted items: Inspection and testing services; Road motor vehicle manufacturing; Class II value-added telecommunications services; Construction engineering construction; Installation, maintenance, and testing of transmission, power supply, and receiving power facilities; Power generation business, power transmission business, power supply (distribution) business.