Manufacturing of audio equipment; manufacturing of radio and television equipment (excluding radio and television transmission equipment); manufacturing of computer software, hardware and peripheral equipment; manufacturing of video recording and playback equipment; manufacturing of communication equipment; manufacturing of electronic components; manufacturing of integrated circuits; manufacturing of mobile terminal equipment; software development; development of artificial intelligence application software; research and development of Internet of Things technology; sales of broadcasting, film and television equipment; sales of radio and television transmission equipment; sales of audio equipment; sales of electronic products; sales of software; sales of communication equipment; wholesale of computer software, hardware and auxiliary equipment; sales of integrated circuits; design and construction services for security technology prevention systems; information technology consulting services; Internet of Things technical services; system integration services; system operation and maintenance services; software outsourcing services; advertising production; advertising publishing; human resources services (excluding intermediary activities and labor dispatch services); road cargo transportation for ordinary freight vehicles with a total mass of 4.5 tons or less (excluding online freight and dangerous goods); technology import and export; goods import and export; manufacturing of smart equipment for sports consumption; manufacturing of wearable smart devices; research and development of intelligent robots; sales of wearable smart devices; sales of artificial intelligence hardware; sales of intelligent robots; wholesale of sporting goods and equipment; aviation operation support services; manufacturing of intelligent unmanned aerial vehicles; sales of intelligent unmanned aerial vehicles; automobile sales; sales of new energy vehicles; sales of new energy vehicle electrical accessories; sales of electric vehicles; operation of electric vehicle charging infrastructure; centralized fast charging stations; sales of charging piles; sales of motor vehicle charging. Licensed items: manufacturing of radio and television transmission equipment; production and operation of radio and television programs; dissemination of audio-visual programs via information networks; Internet information services; design of building intelligent systems; intermediary activities; general aviation services.