Truyen Thong Tiep Thi Tri Thuc LTD Address: No 45 Yen Ninh, Truc Bach Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101334231 Phone: 0904123005 Truc Bach Ward, Ba Dinh District, Ha Noi CityFounding date: 27 - 2 - 2003