Dau Tu Va Xay Dung Khoa Do Joint Stock Company Address: Zoom 706, 17 T2, Trung Hoa Urban Area, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101925178 Phone: 0242811032 Representative: Dang Manh Hung Adress: No 160 Ngo Trai Ca, Truong Dinh Ward, Hai Ba Trung District, Ha Noi City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 25 - 4 - 2006