Dau Tu Xay Dung Va Thuong Mai Song Thanh Joint Stock Company Address: No 10, Lane 91, Hoa Lam Street, Viet Hung Ward, Long Bien District, Ha Noi City Enterprise code: 0102775479 Phone: 02388689060 Representative: Nguyen Quang Hung Adress: No 65, Ly Tu Trong Street, Quang Trung Ward, Ha Dong District, Ha Noi City Viet Hung Ward, Long Bien District, Ha Noi CityFounding date: 12 - 6 - 2008