Hop Tac Xa Doan Ket Address: Coc Tan Hamlet, Chi Thao Commune, Quang Uyen District, Cao Bang Province Enterprise code: 4800165590 Phone: 0206820850 Representative: Nong Trung Thong Adress: Coc Tan Hamlet, Chi Thao Commune, Quang Uyen District, Cao Bang Province Chi Thao Commune, Quang Uyen District, Cao Bang ProvinceFounding date: 31 - 10 - 2007