Thuong Mai Dien Tu Va Tin Hoc Bach Khoa Joint Stock Company Address: No 223, Mai Dich Street, Mai Dich Ward, Cau Giay District, Ha Noi City Enterprise code: 0101365536 Phone: 02491303802 Mai Dich Ward, Cau Giay District, Ha Noi CityFounding date: 23 - 5 - 2003