Dien Thoai So 1 LTD Address: No 184-B2, Tan Mai Street, Tan Mai Ward, Hoang Mai District, Ha Noi City Enterprise code: 0102718488 Phone: 0249196699 Representative: Doan Thanh Tra Adress: Hamlet 3, Nam Giang Commune, Nam Truc District, Nam Dinh Province Tan Mai Ward, Hoang Mai District, Ha Noi CityFounding date: 16 - 4 - 2008