Dien Tu-Vien Thong-Tin Hoc Viet Hung LTD Address: P317, Nha D Khu, Buu Dien Hoang Cau Town, Thanh Cong Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101476807 Phone: 0245410379 Representative: Nguyen Viet Hung Adress: 21B/16 Nguyen Dinh Chieu, Dakao Ward, District 1, Ho Chi Minh City Thanh Cong Ward, Ba Dinh District, Ha Noi CityFounding date: 28 - 4 - 2004