Vien Thong Ipn LTD Address: No 6, Nguyen Bieu, Ba Dinh District, Ha Noi City Enterprise code: 0104288470 Phone: 02422147686 Representative: Dao Hoang Duy Adress: Phuc Thanh Ward, Ninh Binh City, Tinh Ninh Binh, Dong Da District, Ha Noi City Ba Dinh District, Ha Noi CityFounding date: 9 - 12 - 2009