Dau Tu Va Phat Trien Giao Duc Tan Thanh Joint Stock Company Address: No 27, Lane 29, Khuong Ha Street, Khuong Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0109103130 Phone: 0904558478 Representative: Bui Van Tuy Khuong Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 2 - 3 - 2020