The registered address of hangzhou zhong yifan smart devices ltd. Is on the street of qingshan lake, zhejiang province. The registration authority is the market supervision authority of the zone of hangzhou, with legal representation from liu guanghua, and covers general projects: manufacture of specialized equipment for environmental protection; sale of specialized equipment for environmental protection; integration services for applications in the artificial intelligent industry; integration services for information systems; sale of smart robots; marketing of eco-environmental monitoring and detection instrument instruments; development of research and development of technology for the regeneration of construction waste; development of technologies for the environmentally sound use of agro-forestry waste resources; technical services, technology development, technical advice, exchange, technology transfer, technology promotion; water pollution management; sale of equipment for soil and site restoration; environmental advisory services; sale of instruments for solid waste detection; sale of machinery; sale of electrical signal equipment devices; sale of metal wires and their products; sale of special equipment; sale of spare parts, parts and components; import and export of goods; and import and export of technology (in addition to legally approved projects, conduct autonomous operations in accordance with the legal licence)。