Giao Duc, Dao Tao Va Dich Vu Tu Van E.T.A.S Joint Stock Company Address: No 1, Lane 63, Alley 8, Nguyen Cao Street, Dong Mac Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0105715904 Phone: 02439429125 Representative: Nguyen Thi Dung Dong Mac Ward, Hai Ba Trung District, Ha Noi CityFounding date: 12 - 12 - 2011