Hop Tac Xa Hoang Long Address: Dau Cau Hamlet, Bach Dang, Bach Dang Commune, Hoa An District, Cao Bang Province Enterprise code: 4800420635 Phone: 02383602279 Representative: Tran Thanh Huan Adress: Dau Cau Hamlet, Bach Dang Commune, Hoa An District, Cao Bang Province Bach Dang Commune, Hoa An District, Cao Bang ProvinceFounding date: 8 - 2 - 2010