Thuong Mai Va Du Lich Ngoc Mai LTD Address: No 21, Hem 29/39/2, Khuong Ha Street, Khuong Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0106131796 Phone: 0904499003 Representative: Vu Thi Mai Khuong Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 22 - 3 - 2013