Thuong Mai & Dich Vu Phat Trien Tin Hoc LTD Address: P114, No 50B Chau Long, Truc Bach Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101093699 Phone: 0247164796 Representative: Nguyen Thanh Son Adress: P114, No 50B Chau Long, Truc Bach Ward, Ba Dinh District, Ha Noi City Truc Bach Ward, Ba Dinh District, Ha Noi CityFounding date: 7 - 2 - 2001