Dau Tu Xay Dung Thien Thanh Joint Stock Company Address: No 37, Thi Sach Street, Ngo Thi Nham Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101506191 Phone: 0249740713 Representative: Do Thi Thu Dung Adress: No 57, Civil Group 56, Tuong Mai Ward, Hoang Mai District, Ha Noi City Ngo Thi Nham Ward, Hai Ba Trung District, Ha Noi CityFounding date: 9 - 7 - 2004