Giao Dich Hang Hoa Ky Han Quoc Gia Joint Stock Company Address: No 74, Khu Dan Dan Vinh Tuy, Vinh Hung Ward, Hoang Mai District, Ha Noi City Enterprise code: 0105296509 Phone: 02435739442 Representative: Trinh Hoang Minh Adress: No 36 Le Hong Phong, Nguyen Trai Ward, Ha Dong District, Ha Noi City Vinh Hung Ward, Hoang Mai District, Ha Noi CityFounding date: 9 - 5 - 2011