Dich Vu Vien Thong Thu Do Joint Stock Company Address: No 86, Lane 259, Vong Street, Dong Tam Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0106125136 Phone: 0966031031 Representative: Nguyen Van Hoan Dong Tam Ward, Hai Ba Trung District, Ha Noi CityFounding date: 15 - 3 - 2013