Tu Van Thiet Ke Buu Chinh Vien Thong Joint Stock Company Address: No 99, Nguyen Cong Hoan Street, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Enterprise code: 0101130100 Phone: 02437717535 Representative: Nguyen Tien My Adress: No 99, Nguyen Cong Hoan Street, Ngoc Khanh Ward, Ba Dinh District, Ha Noi City Ngoc Khanh Ward, Ba Dinh District, Ha Noi CityFounding date: 11 - 6 - 2001