Beijing chang cleaning services ltd. Is registered at building 103 of goose habitat road no. 33 of the huairou economic development zone, beijing. The registration authority is the market supervisory authority of huairou district, beijing. The legal entity is represented by gold chang and operates in the area of building cleaning services; domestic labour services; office cleaning services; specialized cleaning services for mechanical equipment; property management; construction project management; atmospheric pollution management; technology development, technical advice, technology transfer, technology promotion, technical services; organization of cultural and artistic exchange activities (other than performances); hosting of exhibitions; conference services; economic trade advice; sale of machinery equipment, household appliances, electronics, daily supplies, metal products, hardware exchange (other than electric bicycles), chemical products (other than dangerous chemicals); pro...