Chi Nhanh Buu Chinh Viettel Cao Bang - Tong Cong Ty Co Phan Buu Chinh Viettel Address: No 068, Civil Group 17, Phai Khat Na Ngan Street, Song Hien Ward, Cao Bang City, Cao Bang Province Enterprise code: 0104093672-002 Phone: 02066266030 Representative: Duong Thi Can Adress: Tan An 2, Hoa Chung Ward, Cao Bang City, Cao Bang Province Song Hien Ward, Cao Bang City, Cao Bang ProvinceFounding date: 18 - 12 - 2009