Quang Cao Va Truyen Thong Dai Viet Joint Stock Company Address: No 100, Hoa Bang Street, Yen Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0101625713 Phone: 0983126127 Representative: Le Hong Tien Adress: No 13, Nguyen Hue Street, Nam Binh Ward, Ninh Binh City, Ninh Binh Province Yen Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 30 - 3 - 2005