Dau Tu Ha Tang Bac Ha Joint Stock Company Address: No 17/13, Den Tuong Thuan Lane, Kham Thien Street, Kham Thien Ward, Dong Da District, Ha Noi City Enterprise code: 0101994580 Phone: 0983155207 Representative: Le Thi Hong Adress: No 17/13, Den Tuong Thuan Lane, Kham Thien Ward, Dong Da District, Ha Noi City Kham Thien Ward, Dong Da District, Ha Noi CityFounding date: 19 - 7 - 2006