Vien Thong Tin Hoc Buu Dien Joint Stock Company Address: Lane 158/2, Hong Mai Street, Hai Ba Trung District, Ha Noi City Enterprise code: 0104238575 Phone: 0248634597 Representative: Nguyen Tri Dung Adress: 3B, Yen The Street, Dien Bien Ward, Ba Dinh District, Ha Noi City Hai Ba Trung District, Ha Noi CityFounding date: 6 - 11 - 2009