Dau Tu Phat Trien Giao Duc Khai Sang Joint Stock Company Address: No 15, Alley 99/4, Lane 99, Nguyen Chi Thanh Street, Lang Ha Ward, Dong Da District, Ha Noi City Enterprise code: 0109913304 Phone: 02837733171 Representative: Nguyen Tuyen Lang Ha Ward, Dong Da District, Ha Noi CityFounding date: 24 - 2 - 2022