Dich Vu Onecard Viet Nam Joint Stock Company Address: No 2H2, 18a, Ngo Tat To Street, Quoc Tu Giam Ward, Dong Da District, Ha Noi City Enterprise code: 0105985643 Phone: 02437476106 Representative: Duong Thi Thuy Quoc Tu Giam Ward, Dong Da District, Ha Noi CityFounding date: 6 - 9 - 2012