Dau Tu Va Xay Dung 189 Joint Stock Company Address: No 2B, Phu Doan Street, Hang Trong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101697122 Phone: 0903218569 Representative: Hong Thu Hang Adress: No 64, Yen Ninh Street, Truc Bach Ward, Ba Dinh District, Ha Noi City Hang Trong Ward, Hoan Kiem District, Ha Noi CityFounding date: 30 - 6 - 2005