Tin Hoc Vien Thong & Thuong Mai HTT LTD Address: No 56, Lang Street, Lang Ha Ward, Dong Da District, Ha Noi City Enterprise code: 0101054354 Phone: 0247761045 Representative: Tran Thanh Hai Adress: Khu 7, Thy Lam Commune, Dong Anh District, Ha Noi City Lang Ha Ward, Dong Da District, Ha Noi CityFounding date: 20 - 9 - 2000