Computer system services; information technology consulting services; data processing and storage support services; information system operation and maintenance services; Internet of Things technology services; artificial intelligence industry application system integration services; intelligent control system integration; information system integration services; integrated circuit design; software development; big data services; artificial intelligence basic resources and technology platform; artificial intelligence public data platform; artificial intelligence public service platform technology consulting Consulting services; Network technology services; Digital technology services; Cloud computing equipment technology services; Power facility equipment manufacturing; Power facility equipment sales; Electronic product sales; Battery spare parts sales; Security equipment sales; Water transportation equipment spare parts sales; Office supplies sales; Digital video surveillance system sales; Network equipment sales; Toy sales; Internet of Things equipment sales; Information security equipment sales; Mobile terminal equipment sales; Mobile Sales of communication equipment; sales of audio equipment; sales of cloud computing equipment; sales of lighting appliances; sales of cameras and equipment; sales of smart vehicle equipment; sales of smart home consumer equipment; sales of smart instruments and meters; sales of entertainment boats and sports boats; sales of office equipment and consumables; sales of software; sales of calculator equipment; sales of integrated circuit chips and products; sales of integrated circuits; sales of electrical equipment; sales of electrical instruments; power measurement Sales of power motors; sales of power electronic components; sales of electrical machinery equipment; sales of electrical signaling equipment; sales of electronic components and electromechanical component equipment; sales of electronic special equipment; sales of non-electric household appliances; sales of off-highway recreational vehicles and spare parts; sales of copying and offset printing equipment; sales of industrial robots; sales of industrial control computers and systems; sales of industrial automatic control system devices; sales of supply instruments and meters; sales of optical Sales of electronic devices; sales of optical cables; sales of optical communication equipment; sales of optical fiber; sales of optical glass; sales of optical instruments; sales of radio and television transmission equipment; sales of slides and projection equipment; sales of special instruments for teaching; sales of wearable smart devices; sales of power distribution switch control equipment; sales of automobile decorative supplies; sales of Internet equipment; Internet sales (except for the sale of goods that require a license); sales of lamps; sales of household audio-visual equipment sales; sales of outdoor products; sales of daily necessities; sales of household appliances spare parts; sales of furniture spare parts; sales of household products; sales of wires and cables; sales of photovoltaic equipment and components; sales agents; trade brokers; domestic trade agents; sales of intelligent power transmission and distribution and control equipment; sales of advanced power electronic devices; sales of solar thermal power generation equipment; sales of solar thermal utilization equipment; sales of solar thermal power generation products; wind farm related Equipment sales; Intelligent warehousing equipment sales; Intelligent material handling equipment sales; Intelligent basic manufacturing equipment sales; Servo control mechanism sales; Artificial intelligence hardware sales; Intelligent robot sales; Wholesale of electronic components; Sales of assisted bicycles, scooters and spare parts; Wholesale of bicycles and spare parts; Sales of office equipment; Sales of instruments and meters; Sales of air transportation equipment; Sales of water transportation equipment; Sales of metal products; Digital literature Sales of creative technology equipment; sales of radio, film and television equipment; sales of communication equipment; wholesale of computer software, hardware and auxiliary equipment; sales of electrical equipment; wholesale of hardware products; wholesale of motorcycles and spare parts; sales of charging piles; wholesale of automobile spare parts; sales of mechanical equipment; wholesale of photographic equipment and telescopes; wholesale of sporting goods and equipment; wholesale of stationery; sales of household appliances; import and export agents; technology import and export; import and export of goods;