Tu Van Thiet Ke Va Dau Tu Phat Trien Xay Dung Viet Nam Joint Stock Company Address: No 113, Nguyen Ngoc Nai Street, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0103825637 Phone: 02438533980 Representative: Pham Thi Yen Adress: No 113 Nguyen Ngoc Nai, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 18 - 5 - 2009