Tu Van Va Xay Dung Ha Tang Mien Bac Joint Stock Company Address: No 15a, Lane 248, Dai Tu Street, Hoang Mai District, Ha Noi City Enterprise code: 0104807119 Phone: 0982277160 Representative: Do Quang Dung Adress: No 147, Lieu Giai Street, Ba Dinh District, Ha Noi City Hoang Mai District, Ha Noi CityFounding date: 13 - 7 - 2010