Dau Tu, Xay Dung Va Thuong Mai Tien Thanh Joint Stock Company Address: No 62, Lane 58, Vu Trong Phung Street, Thanh Xuan Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102286446 Phone: 02438584422 Representative: Le Thanh Son Thanh Xuan Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 12 - 6 - 2007