Sach Va Tin Hoc Mien Bac Joint Stock Company Address: B5 Tap The Vien May, Civil Group 65, Dich Vong Ward, Cau Giay District, Ha Noi City Enterprise code: 0101322250 Phone: 0247568962 Representative: Do Minh Ngoc Adress: Man Xoan Hamlet, Kim Duong Commune, Ung Hoa District, Ha Noi City Dich Vong Ward, Cau Giay District, Ha Noi CityFounding date: 8 - 1 - 2003