Thuong Mai Dich Vu Va Truyen Thong Viet Tam Joint Stock Company Address: No 7, B6a Thanh Cong, Thanh Cong Ward, Ba Dinh District, Ha Noi City Enterprise code: 0102397227 Phone: 02438313377 Representative: Tran Thanh Son Adress: No 7, B6a Thanh Cong, Thanh Cong Ward, Ba Dinh District, Ha Noi City Thanh Cong Ward, Ba Dinh District, Ha Noi CityFounding date: 25 - 10 - 2007