Thuong Mai Dien Tu, Tin Hoc T&H Joint Stock Company Address: No 29, Phan Dinh Phung Street, Quan Thanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101417914 Phone: 0248463065 Quan Thanh Ward, Ba Dinh District, Ha Noi CityFounding date: 13 - 11 - 2003