Hop Tac Xa Sao Mai Address: Na Bua, Be Trieu, Hoa An District, Cao Bang Province Enterprise code: 4800287327 Phone: 02063860660 Representative: Nong Thi Mai Adress: Na Bua, Be Trieu, Hoa An District, Cao Bang Province Be Trieu Commune, Hoa An District, Cao Bang ProvinceFounding date: 25 - 8 - 2009