Vien Thong Viet Nam LTD Address: No 269, Tran Khat Chan Street, Thanh Nhan Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101475916 Phone: 0249719515 Representative: Cao Van Thuan Adress: Khu 4, Ngo Dong Town, Giao Thuy District, Nam Dinh Province Thanh Nhan Ward, Hai Ba Trung District, Ha Noi CityFounding date: 27 - 4 - 2004