Tu Van Va Xay Dung He Thong Dien Mien Bac Joint Stock Company Address: No 25, Lane 155, Alley 1, Dang Tien Dong Street, Trung Liet Ward, Dong Da District, Ha Noi City Enterprise code: 0104678142 Phone: 02485873120 Representative: Do Quynh Adress: No 8/374/19 Au Co, Nhat Tan Ward, Tay Ho District, Ha Noi City Trung Liet Ward, Dong Da District, Ha Noi CityFounding date: 18 - 5 - 2010