JY Grandmark Holdings Limited, an investment holding company, provides property development services in the People's Republic of China. It operates through four segments: Property Development and Sales, Commercial Property Investment, Hotel Operations, and Property Management. The company develops residential properties; operates hotels under the Just Stay Hotel, Just Stay Resort, and Just Stay Inn names; provides property, business, and health management services; and owns and operates commercial properties. It also involved in building decoration and construction development activities.