Truyen Thong Va Do Hoa Viet Nam Joint Stock Company Address: No 21 Hang Trong, Hang Trong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0107491720 Phone: 0904798099 Representative: Dang Ngoc Diep Adress: No 21 Hang Trong, Hang Trong Ward, Hoan Kiem District, Ha Noi City Hang Trong Ward, Hoan Kiem District, Ha Noi CityFounding date: 4 - 7 - 2016