Truyen Thong Cong Nghe So Viet Nam Joint Stock Company Address: No 196, Lane 22, Ton That Tung Street, Khuong Thuong Ward, Dong Da District, Ha Noi City Enterprise code: 0105777587 Phone: 0982769180 Representative: Dao Vinh Ket Khuong Thuong Ward, Dong Da District, Ha Noi CityFounding date: 18 - 1 - 2012