The registration address of hangzhou's cheung-gen cleaning services ltd. Is located in room 312, halfway through the archipelago, with the registration authority being the market supervision authority of hangzhou city's archipelago, represented by the legal person guo guo guo ming, which operates in the area of cleaning services; domestic services; facade cleaning of the outer wall (which is operated on the basis of a valid licence or certificate of qualification), property management; and green conservation。