Dau Tu Xay Dung Va Thuong Mai Hoan Cau Joint Stock Company Address: No 22 - N2 To 103 Hoang Cau, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0101925322 Phone: 0245110718 Representative: Vu Van Thuan Adress: No 4 102 Hoang Cau Civil Group, O Cho Dua Ward, Dong Da District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 25 - 4 - 2006