Dien Tu Tin Hoc Minh Tuan Joint Stock Company Address: No 125, Dao Tan Street, Lieu Giai Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101591750 Phone: 0247661147 Representative: Phan Anh Tuan Adress: No 193, Bach Dang Street, Chuong Duong Ward, Hoan Kiem District, Ha Noi City Lieu Giai Ward, Ba Dinh District, Ha Noi CityFounding date: 6 - 1 - 2005