Dau Tu Va Thuong Mai Prenn Joint Stock Company Address: No 67a, Van Bao Street, Lieu Giai Ward, Ba Dinh District, Ha Noi City Enterprise code: 0105685456 Phone: 02439413998 Representative: Dao Trong Nghia Adress: No 41, Lo Su, Ly Thai To Ward, Hoan Kiem District, Ha Noi City Lieu Giai Ward, Ba Dinh District, Ha Noi CityFounding date: 30 - 11 - 2011