Vien Thong Va Chuyen Giao Cong Nghe Viet Nam Joint Stock Company Address: No 15B Tong Dan, Trang Tien Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0101704732 Phone: 0249351332 Representative: Nguyen Huy Tuan Adress: No 6 Le Thanh Tong, Phan Chu Trinh Ward, Hoan Kiem District, Ha Noi City Trang Tien Ward, Hoan Kiem District, Ha Noi CityFounding date: 7 - 7 - 2005