Da Tu Nhien VNS Joint Stock Company Address: No 13C7, Nguyen Cong Thai Street, Dai Kim Ward, Hoang Mai District, Ha Noi City Enterprise code: 0102570746 Phone: 02436410352 Representative: Le Dinh Duy Adress: 54/ B2, Moi Dai Kim Urban Area, Dai Kim Ward, Hoang Mai District, Ha Noi City Dai Kim Ward, Hoang Mai District, Ha Noi CityFounding date: 21 - 12 - 2007