Vien Thong Va Thuong Mai Viet Joint Stock Company Address: 209 A4, Khuong Thuong Town, Trung Tu Ward, Dong Da District, Ha Noi City Enterprise code: 0101633520 Phone: 0903490999 Representative: Phan Hong Thanh Adress: 209 A4, Khuong Thuong Town, Trung Tu Ward, Dong Da District, Ha Noi City Trung Tu Ward, Dong Da District, Ha Noi CityFounding date: 11 - 4 - 2005