General items: Computer software, hardware and peripheral equipment manufacturing; Industrial control computer and system manufacturing; Manufacturing of communication equipment; Manufacturing of electronic components; Internet equipment manufacturing; Cloud computing equipment manufacturing; Manufacturing of IoT equipment; Manufacturing of display devices; Manufacturing of intelligent on-board equipment; Manufacturing of mobile terminal equipment; Manufacturing of video recording and playing equipment; Virtual reality equipment manufacturing; Audio equipment manufacturing; Research and development of IoT technology; Navigation terminal manufacturing; Manufacturing of wearable intelligent devices; Service consumption robot manufacturing; Security equipment manufacturing; Manufacture of radio and television equipment (excluding radio and television transmission equipment); Information consulting services (excluding licensing information consulting services); Retail of computer software, hardware and auxiliary equipment; Sales of industrial control computers and systems; Sales of communication equipment; Internet equipment sales; Cloud computing equipment sales; Sales of IoT equipment; Wholesale of electronic components; Sales of mobile terminal equipment; Sales of intelligent vehicle equipment; Display device sales; Sales of wearable intelligent devices; Sales of audio equipment; Sales of household audio-visual equipment; Sales of household appliances; Navigation terminal sales; Security equipment sales; Service consumption robot sales; Intelligent robot sales; Domestic trade agency; Import and export of goods; Technology import and export.