Truyen Thong Zigma Joint Stock Company Address: No 6, Alley 85, 12 Dao Tan Lane, Cong Vi Ward, Ba Dinh District, Ha Noi City Enterprise code: 0102852557 Phone: 02422214208 Representative: Dong Tuan Anh Adress: No 4 Ly Thuong Kiet, Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi City Cong Vi Ward, Ba Dinh District, Ha Noi CityFounding date: 11 - 8 - 2008