Giao Duc Sputnik Joint Stock Company Address: No 27-N1, Lane 1, Nguyen Hoang Ton Street, Xuan La Ward, Tay Ho District, Ha Noi City Enterprise code: 0106226952 Phone: 02439900077 Representative: Hoang Thi Thai Thanh Adress: 26B Civil Group, Phuong Lien Ward, Dong Da District, Ha Noi City Xuan La Ward, Tay Ho District, Ha Noi CityFounding date: 9 - 7 - 2013