Dau Tu Xay Dung-Thuong Mai Dich Vu Bac Song Hong Joint Stock Company Address: G14, Quoc Te Thang Long Village, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0101376471 Phone: 0247566632 Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 26 - 6 - 2003