Dau Tu Va Phat Trien Giao Duc Thang Long Joint Stock Company Address: No 72/116 Nhan Hoa, Nhan Chinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0105911183 Phone: 02435668086 Representative: Hoang Thi Ha Nhan Chinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 7 - 6 - 2012