Dau Tu Va Dich Vu Truyen Thong Viet Nam Joint Stock Company Address: No 38, Alley 82/98, Yen Lang Street, Lang Ha Ward, Dong Da District, Ha Noi City Enterprise code: 0108100923 Phone: 0913218719 Representative: Le Thu Ha Adress: No 1, Lane 27, Vinh Tuy Street, Vinh Tuy Ward, Hai Ba Trung District, Ha Noi City Lang Ha Ward, Dong Da District, Ha Noi CityFounding date: 19 - 12 - 2017