Dau Tu Xay Dung 681 Joint Stock Company Address: No 27, 48 To 4 Lane, Ngoc Thuy Ward, Long Bien District, Ha Noi City Enterprise code: 0103698178 Phone: 02438735885 Representative: Nguyen Van Lien Adress: No 27, 48 To 4 Lane, Ngoc Thuy Ward, Long Bien District, Ha Noi City Ngoc Thuy Ward, Long Bien District, Ha Noi CityFounding date: 15 - 4 - 2009