Thuong Mai Khoa Do Joint Stock Company Address: No 23/189 Hoang Hoa Tham, Lieu Giai Ward, Ba Dinh District, Ha Noi City Enterprise code: 0102075406 Phone: 0248235611 Representative: Bui Huu Quang Adress: No 23/189 Hoang Hoa Tham, Lieu Giai Ward, Ba Dinh District, Ha Noi City Lieu Giai Ward, Ba Dinh District, Ha Noi CityFounding date: 23 - 11 - 2006