Phat Trien He Thong Giao Duc Viet Nam Joint Stock Company Address: No 27, 87 Le Thanh Nghi Lane, Dong Tam Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0107480542 Phone: 0971998228 Representative: Tran Thi Thom Adress: No 102, 45/132 Khuong Trung Alley, Ha Noi City Dong Tam Ward, Hai Ba Trung District, Ha Noi CityFounding date: 21 - 6 - 2016