Tin Hoc Vien Thong Chau A Joint Stock Company Address: No 1, 52/22 To Ngoc Van Alley, Quang An Ward, Tay Ho District, Ha Noi City Enterprise code: 0101480017 Phone: 0247180023 Representative: Ngo Anh Tuan Adress: No 1, 52/22 To Ngoc Van Alley, Quang An Ward, Tay Ho District, Ha Noi City Quang An Ward, Tay Ho District, Ha Noi CityFounding date: 7 - 5 - 2004