Ban Quan Ly Du An Dau Tu Va Xay Dung Huyen Hoa An Address: Nuoc Hai Town, Hoa An District, Cao Bang Province Enterprise code: 4800244002 Phone: 02063860187 Adress: Hoa An District, Cao Bang Province Nuoc Hai Town, Hoa An District, Cao Bang ProvinceFounding date: 26 - 6 - 2009