Chi Nhanh Cong Ty TNHH Nha Nuoc Mot Thanh Vien Thuong Mai Va Xuat Nhap Khau Viettel Tai Cao Bang Address: No 56, Civil Group 19, Phai Khat Na Ngan Street, Song Hien Ward, Cao Bang City, Cao Bang Province Enterprise code: 0104831030-003 Phone: 02062661399 Representative: Nguyen Van Toi Adress: Civil Group 28, Ngoc Thuy Ward, Long Bien District, Ha Noi City Song Hien Ward, Cao Bang City, Cao Bang ProvinceFounding date: 7 - 10 - 2010