The registration address of sky win (zhengzhou) cleaning services ltd. Is located in unit 701 of building no. 25 of the city of zhengzhou, henan province, in the city of zhengzhou, in the city of zheng city, in the danshi neighbourhood of danshi, with the registration authority being the new zheng city market supervision authority, represented by legal persons, and includes general projects: professional cleaning, cleaning, disinfection services; building cleaning services; environmental protection monitoring; environmental advisory services; labour services (excluding labour dispatch); furniture installation and maintenance services; technical development, technical advice, exchange, technology transfer, technology promotion; atmospheric pollution prevention services; mechanical equipment research and development; property management; outsourcing engineering; specialized equipment repair; general equipment repair; municipal facilities management; installation services for general machinery; day-to-day electrical repair; sale of specialized equipment for environmental protection; sale of refrigeration, air conditioning equipment; sale of chemical products on a daily basis; distribution of household appliances; sale of electrical equipment; sale of machinery and robotic robotic robots, subject to the approval of a legal licence to carry out a specific indoor environmental monitoring project, subject to the approval of a legal authorization for