Dien Tu Tin Hoc Va Vien Thong A.N LTD Address: No 5, Lane 24, Ngoc Ha Street, Ngoc Ha Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101534590 Phone: 0247339070 Representative: Nguyen Duc Tuan Adress: No 9, Hang Ma Street, Hang Ma Ward, Hoan Kiem District, Ha Noi City Ngoc Ha Ward, Ba Dinh District, Ha Noi CityFounding date: 28 - 9 - 2004