Tin Hoc Va Vien Thong An Phat LTD Address: No 20, 51/2 Lang Yen Alley, Thanh Luong Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101230169 Phone: 0249719696 Representative: Le Hong Son Adress: No 108, Tien Phong Hamlet, Quynh Loi Ward, Hai Ba Trung District, Ha Noi City Thanh Luong Ward, Hai Ba Trung District, Ha Noi CityFounding date: 19 - 4 - 2002