Dau Tu Thuong Mai, Dich Vu Va Du Lich Thien Ha LTD Address: 17B, Trang Thi Street, Hang Trong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101428391 Phone: 0249346016 Hang Trong Ward, Hoan Kiem District, Ha Noi CityFounding date: 17 - 12 - 2003