Sino-Ocean Service Holding Limited, an investment holding company, primarily offers property management services in the People's Republic of China. The company's property management services comprising security, cleaning, greening, gardening, and repair and maintenance services to property owners and residents, as well as property developers. The company's property management portfolio covers residential properties; commercial properties comprising office buildings and shopping malls; and public and other properties consisting of hospitals, public service facilities, government buildings, and schools. Its value-added services, such as pre-delivery services to property developers to assist with their sales and marketing activities at property sales venues and display units; consultancy services to assist with the overall planning and management of pre-sale activities; and property engineering services. The company's community value-added services include carpark management and community space operation services; community living services, such as home appliances maintenance and repair services, retail sale of commodities, home decoration services, housekeeping, and other bespoke services; and property brokerage services to property owners and residents of its managed properties. It also offers information technology services. The company was founded in 1997 and is headquartered in Beijing, the People's Republic of China. Sino-Ocean Service Holding Limited is a subsidiary of Shine Wind Development Limited.