The city of guangzhou, m. A., ltd., has a registered address in room b, room b, no. 1, gangeung tongang ring road, guangzhou city. The registration authority is the city of guangzhou market supervision authority for the white cloud area, with legal representatives and includes retail sales of computer software and hardware and assistive equipment; wholesale distribution of computer software and hardware and assistive equipment; computer system services; sales of slides and projecting equipment; sale of lamps; solar power technology services; sale of solar heat equipment; sale of solar heating products; import and export of goods; sales of teaching models and teaching aids; sale of specialized equipment; research and development of material networking technology; development of hardware products; development of mechanical equipment; development and development of new materials technology; sale of technical services, technology development, technical advice, exchange of technology, technology transfer and diffusion of technology; sale of sound equipment; internet sales (except for the sale of licensed goods); network technical services; repair of specialized equipment; repair of general-purpose equipment; information advisory services (other than licensed information); retailing of hardware products; wholesale distribution of hardware products; sale of communications equipment; sale of mobile communications equipment; development of artificial intelligence applications; software development; sale of software; maintenance of electronic, mechanical equipment (other than special equipment); sale of electronic specialized equipment; sale of office supplies; sale of office equipment; sale of office equipment; sale of materials; provision of material networking technology services; software and services related to block-chain technology; import and export of technology; sale of mechanical equipment; installation services for general mechanical equipment; maintenance of computers and office equipment; rental of computer and communications equipment; sale of electronware and electrical components; sale of equipment;