Dau Tu Phat Trien Cong Nghe Va Dich Vu Giao Duc Joint Stock Company Address: No 64/72/192 Le Trong Tan, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102964645 Phone: 0247632790 Representative: Vu Van Quang Adress: 29, Alley 762/15, 762 Bach Dang Lane, Hai Ba Trung District, Ha Noi City Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 10 - 10 - 2008