Dau Tu Va Phat Trien Giao Duc Ha Noi Joint Stock Company Address: No 187B Giang Vo, Cat Linh Ward, Cat Linh Ward, Dong Da District, Ha Noi City Enterprise code: 0102222393 Phone: 02435122568 Representative: Vu Ba Khanh Adress: Q1 Khu Tap The To Hieu, Nguyen Trai Ward, Thanh Xuan District, Ha Noi City Cat Linh Ward, Dong Da District, Ha Noi CityFounding date: 19 - 4 - 2007