Tu Van Thiet Ke Xay Dung Va Thuong Mai Mien Bac Joint Stock Company Address: No 2, Khu Tap The Dai Tu O To 1, Hoang Liet Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101611171 Phone: 02433117720 Representative: Pham Song Ha Adress: No 10, Lane 104, So 15 Civil Group, Kien Hung Ward, Ha Dong District, Ha Noi City Hoang Liet Ward, Hoang Mai District, Ha Noi CityFounding date: 25 - 2 - 2005