Tu Van Thiet Ke Va Dau Tu Phat Trien Joint Stock Company Address: No 62, Yen Phu Street, Nguyen Trung Truc Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101377789 Phone: 0249273061 Nguyen Trung Truc Ward, Ba Dinh District, Ha Noi CityFounding date: 30 - 6 - 2003