He Thong Giao Duc La Phong Xanh Joint Stock Company Address: Lien Ke 16, Lot 21, Moi An Hung Urban Area, La Khe Ward, Ha Dong District, Ha Noi City Enterprise code: 0109088700 Phone: 02466649596 Representative: Do Thuy Hoa La Khe Ward, Ha Dong District, Ha Noi CityFounding date: 13 - 2 - 2020