The registration address of shenzhen city cheng jie-tech, ltd., is located on the 18th floor of the gyming road, located in shenzhen city, on the 18th floor, with the registration authority of the shenzhen market supervisory authority and with the legal representation of zhang jie, covering computer software and hardware, face recognition products, software technical advice and sales; development and sale of electronic products; sale of smart computers, smart home-based equipment; sale of smart education combinations, smart conference combinations, smart interactive sets, ops computer search machines, liquid crystal wall, web adverts, sale of led full paint screens; domestic trade; and import and export of goods and technology. Electronics sales; technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; wholesale distribution of computer software and hardware and assistive equipment; retailing of computer hardware and software and ancillary equipment; manufacturing of computer hardware and peripherals; maintenance of computers and office equipment; sale of smart household consumption equipment; sale of software; sale of networked equipment; sale of household appliances; information technology advisory services; information technology advisory services (excluding licensed information); manufacturing of smart household consumption equipment; manufacture of networked equipment; manufacture of other electronic devices; manufacture of communications equipment; network equipment; manufacture of network equipment; manufacture of household appliances; development of household appliances; development of household appliances; installation of household appliances; domestic trade agency; wholesale distribution of electronic devices; manufacture of electronic devices; manufacture of electronic devices; processing of spare parts; sale of artificial intelligence hardware; manufacture of virtual reality equipment; sale of network equipment; manufacture of electronic specialized materials; manufacture of other electronic devices; sale of electronic devices; production of digital video-based devices; production of video-based video-based devices; production of semi-digital devices; production of video-based video-based devices; production of video-based video-based devices; monitoring systems; (in addition to projects subject to legal authorization, the operation of the business is carried out autonomously under a licence) none