Dau Tu Xay Dung Va Thuong Mai Bac Au Joint Stock Company Address: No 20, Lot 9 Khu Den Lu, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101590757 Phone: 0246340353 Representative: Luong The Vu Adress: No 35, Yen Tan Street, Ngoc Thuy Ward, Long Bien District, Ha Noi City Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 5 - 1 - 2005