Vien Thong Thien An Joint Stock Company Address: No 166, Buoi Street, Cong Vi Ward, Ba Dinh District, Ha Noi City Enterprise code: 0102061682 Phone: 0247666539 Representative: Nguyen Thuy Van Adress: No 166, Buoi Street, Cong Vi Ward, Ha Noi City Cong Vi Ward, Ba Dinh District, Ha Noi CityFounding date: 3 - 11 - 2006