Tin Hoc Va Vien Thong An Viet LTD Address: No 8, Lane 20, Nguyen Cong Hoan Street, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101490590 Phone: 0247711692 Representative: Bui An Giang Adress: No 22, Cua Nam Street, Cua Nam Ward, Hoan Kiem District, Ha Noi City Ngoc Khanh Ward, Ba Dinh District, Ha Noi CityFounding date: 28 - 5 - 2004