Truyen Thong Giao Duc Tre Joint Stock Company Address: Nha 30, 89 Luong Dinh Cua Lane, Phuong Mai Ward, Dong Da District, Ha Noi City Enterprise code: 0106228438 Phone: 02460278426 Representative: Pham Tuan Bao Hieu Adress: Khu An Thinh, Huu Lung Town, Huu Lung District, Lang Son Province Phuong Mai Ward, Dong Da District, Ha Noi CityFounding date: 10 - 7 - 2013