Bat Dong San Blue Stone Joint Stock Company Address: 6th Floor, Viet A Building, No 9, Duy Tan Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi City Enterprise code: 0107362813 Phone: 0944555686 Representative: Nguyen Thi Minh Hieu Adress: Dai Bi Hamlet, Uy No Commune, Dong Anh District, Ha Noi City Dich Vong Hau Ward, Cau Giay District, Ha Noi CityFounding date: 18 - 3 - 2016