Dau Tu Va Phat Trien Dich Vu Vien Thong Green Tel Joint Stock Company Address: No 55B, Lane 80, Le Trong Tan Street, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0106227917 Phone: 0982880000 Representative: Pham Van Anh Adress: Lai Ha Hamlet, Hung An Commune, Kim Dong District, Hung Yen Province Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 10 - 7 - 2013