Thuong Mai & Dich Vu Tin Hoc Tam Long LTD Address: 46 Nguyen Cong Hoan, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101172291 Phone: 0247718303 Representative: Nguyen Hoang Viet Adress: P25, 26B Ngo Sy Lien Van Mieu Town, Dong Da District, Ha Noi City Ngoc Khanh Ward, Ba Dinh District, Ha Noi CityFounding date: 25 - 10 - 2001