Truyen Thong Va Phat Trien Giao Duc Hoan My DDT LTD Address: Ha Tan Hamlet, Tan Linh Commune, Ba Vi District, Ha Noi City Enterprise code: 0106925661 Phone: 0914848388 Representative: Ha Ngoc Dung Adress: Ha Tan Hamlet, Tan Linh Commune, Ba Vi District, Ha Noi City Tan Linh Commune, Ba Vi District, Ha Noi CityFounding date: 6 - 8 - 2015