Trung Tam Boi Duong Chinh Tri Huyen Hoa An Address: Nuoc Hai Town, Hoa An District, Cao Bang Province Enterprise code: 4800278266 Phone: 02063860292 Adress: Hoa An District, Cao Bang Province Nuoc Hai Town, Hoa An District, Cao Bang ProvinceFounding date: 17 - 8 - 2009