Hop Tac Xa Duy Duy Address: Khau Luong, Duc Long, Hoa An District, Cao Bang Province Enterprise code: 4800305752 Phone: 0985525791 Representative: Le Hoang Duy Adress: Khau Luong, Duc Long, Hoa An District, Cao Bang Province Duc Long Commune, Hoa An District, Cao Bang ProvinceFounding date: 10 - 9 - 2009