Tram Khuyen Nong - Khuyen Lam Huyen Hoa An Address: Nuoc Hai Town, Hoa An District, Cao Bang Province Enterprise code: 4800297678 Phone: 02063861327 Adress: Hoa An District, Cao Bang Province Nuoc Hai Town, Hoa An District, Cao Bang ProvinceFounding date: 7 - 9 - 2009