Thuong Mai Va Xay Dung Ky Thuat Hoang Nam LTD Address: No 10, Vong Duc P Street, Hang Bai, Hoan Kiem District, Ha Noi City Enterprise code: 0101312848 Phone: 0245725386 Hang Bai Ward, Hoan Kiem District, Ha Noi CityFounding date: 17 - 12 - 2002