Dich Vu Vien Thong DTC Viet Nam Joint Stock Company Address: No 2, Lane 213, Dinh Cong Thuong Street, Dinh Cong Ward, Hoang Mai District, Ha Noi City Enterprise code: 0108942609 Phone: 02227777777 Representative: Nguyen Thu Thinh Dinh Cong Ward, Hoang Mai District, Ha Noi CityFounding date: 11 - 10 - 2019