Tu Van Xay Dung Va Thuong Mai Tay Do Joint Stock Company Address: 402/ B9, Khuat Duy Tien Street, Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0105521592 Phone: 02435540121 Representative: Hoang Sy Thanh Thanh Xuan Bac Ward, Thanh Xuan District, Ha Noi CityFounding date: 22 - 9 - 2011