Tu Van Dau Tu Phat Trien Giao Duc Dao Tao Son Dong Joint Stock Company Address: No 160, Ba Trieu Street, Nguyen Du Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0105580284 Phone: 02439430897 Representative: Nguyen Ngoc Dinh Adress: No 160, Ba Trieu Street, Nguyen Du Ward, Hai Ba Trung District, Ha Noi City Nguyen Du Ward, Hai Ba Trung District, Ha Noi CityFounding date: 20 - 10 - 2011