Sach Va Giao Duc Viet Nam Joint Stock Company Address: No 32, Lot 9 Den Lu 1, Hoang Van Thu Ward, Hoang Mai District, Ha Noi City Enterprise code: 0101646865 Phone: 02436647716 Representative: Do Thanh Ke Adress: 289/4, Giap Bat Street, Giap Bat Ward, Hoang Mai District, Ha Noi City Hoang Van Thu Ward, Hoang Mai District, Ha Noi CityFounding date: 6 - 5 - 2005