Dich Vu Thuong Mai Va Xay Lap Hoang Ha Joint Stock Company Address: Trung Thanh Civil Group, Trau Quy Town, Gia Lam District, Ha Noi City Enterprise code: 0102710633 Phone: 0246752383 Representative: Nguyen Nhu Hieu Adress: Civil Group 6, Thach Ban Ward, Long Bien District, Ha Noi City Trau Quy Town, Gia Lam District, Ha Noi CityFounding date: 9 - 4 - 2008