Xay Lap Va Tu Van Thiet Ke So 1 Ha Noi Joint Stock Company Address: No 24, Nguyen An Ninh Street, Tuong Mai Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101349492 Phone: 0246625632 Representative: Le Thanh Binh Adress: No 228B, 18a Civil Group, Trung Liet Ward, Dong Da District, Ha Noi City Tuong Mai Ward, Hoang Mai District, Ha Noi CityFounding date: 10 - 4 - 2003