Dau Tu Va Ky Thuat Tin Thanh Joint Stock Company Address: No 25, Lane 294/2, Kim Ma Street, Kim Ma Ward, Ba Dinh District, Ha Noi City Enterprise code: 0102823147 Phone: 02437264070 Representative: Do Quang Dai Adress: No 9, Lane 38, Nguyen Chinh Street, Tan Mai Ward, Hoang Mai District, Ha Noi City Kim Ma Ward, Ba Dinh District, Ha Noi CityFounding date: 21 - 7 - 2008