Dau Tu Dau Khi Thang Long LTD Address: No 215, 158 Ngoc Ha Lane, Ngoc Ha Ward, Ba Dinh District, Ha Noi City Enterprise code: 0104474269 Phone: 02439710146 Representative: Duong Thi Thuy Linh Adress: No 9, Civil Group 11, Thanh Luong Ward, Hai Ba Trung District, Ha Noi City Ngoc Ha Ward, Ba Dinh District, Ha Noi CityFounding date: 9 - 2 - 2010