Dau Tu Xay Dung Bat Dong San Quoc An Joint Stock Company Address: No 13 Nguyen Cong Tru, Dong Nhan Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101056626 Phone: 0246614782 Representative: Duong Vinh Quoc Adress: No 13 Nguyen Cong Tru, Dong Nhan Ward, Hai Ba Trung District, Ha Noi City Dong Nhan Ward, Hai Ba Trung District, Ha Noi CityFounding date: 28 - 9 - 2000