Dau Tu Va Thuong Mai Viet Bac Joint Stock Company Address: No 19, Trung Yen Lane, Hang Bac Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0105043730 Phone: 02439352678 Representative: Nguyen Son Adress: No 19, Trung Yen Lane, Hang Bac Ward, Hoan Kiem District, Ha Noi City Hang Bac Ward, Hoan Kiem District, Ha Noi CityFounding date: 9 - 12 - 2010