Thuong Mai Va Dich Vu Vien Thong Mien Bac LTD Address: No 81 D Ly Nam De, Cua Dong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101862778 Phone: 0989127338 Representative: Ngo Duc Hung Adress: No 49 Civil Group 37, Dich Vong Ward, Cau Giay District, Ha Noi City Cua Dong Ward, Hoan Kiem District, Ha Noi CityFounding date: 24 - 1 - 2006