The registration authority is the market supervisory authority for the zhu zhu zhu jiang city, with legal representatives and general projects: development of artificial intelligence applications; development of artificial intelligence basic software; development of technical services, technology development, technical advice, exchange, technology transfer, technology diffusion; development of electrical machines and their control systems; engineering and technological research and experimental development; electronic instrument manufacturing; laboratory mechanism construction; mechanical and electrical equipment manufacture; laboratory analytical instrument manufacturing; optical instrument manufacturing; electronic measuring instrument sales; manufacture of other electronic devices; sale of experimental analytical instruments; sale of experimental machines; sale of electrical appliances; import and export of goods; and import and export of technology (in addition to legally approved projects, operating on an autonomous basis of a legal licence)。