Phong Tai Nguyen Va Moi Truong Address: Thong Nong Town, Thong Nong District, Cao Bang Province Enterprise code: 4800633344 Phone: 02063875202 Adress: Thong Nong District, Cao Bang Province Thong Nong Town, Thong Nong District, Cao Bang ProvinceFounding date: 29 - 7 - 2010