Truyen Thong Visi Joint Stock Company Address: No 13a, Lane 182/86/6, Bach Dang Street, Chuong Duong Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0106128320 Phone: 02438729234 Representative: Nguyen Thi Hau Chuong Duong Ward, Hoan Kiem District, Ha Noi CityFounding date: 21 - 3 - 2013