Phong Tai Chinh - Ke Hoanh Huyen Thong Nong Address: Thong Nong Town, Thong Nong District, Cao Bang Province Enterprise code: 4800141952 Phone: 02063875157 Thong Nong Town, Thong Nong District, Cao Bang ProvinceFounding date: 11 - 7 - 2003