Dau Tu Thuong Mai & Dich Vu Ky Thuat Bac Nam Joint Stock Company Address: No 645, Kim Ma Street, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101359130 Phone: 0245279467 Ngoc Khanh Ward, Ba Dinh District, Ha Noi CityFounding date: 9 - 5 - 2003