D.O Joint Stock Company Address: P407, 3rd Floor Cung VHHNVX, 91 Tran Hung Dao, Tran Hung Dao Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0102670483 Phone: 0915570047 Representative: Do Quang Tuan Adress: Zoom 116 Nha N7 Tap The K83 To13, Yen Hoa Ward, Cau Giay District, Ha Noi City Tran Hung Dao Ward, Hoan Kiem District, Ha Noi CityFounding date: 11 - 3 - 2008