Da Xay Dung Dong Tam Joint Stock Company Address: No 53, Thanh Nhan Street, Quynh Mai Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101378158 Phone: 0249719628 Quynh Mai Ward, Hai Ba Trung District, Ha Noi CityFounding date: 1 - 7 - 2003