Buu Dien Huyen Thach An (Uy Nhiem Thu) Address: Khu 2, Dong Khe Town, Thach An District, Cao Bang Province Enterprise code: 4800907066 Phone: 02063840104; 0206840632 Representative: Nong Thi Hong Adress: Duc Xuan, Duc Xuan Commune, Thach An District, Cao Bang Province Dong Khe Town, Thach An District, Cao Bang ProvinceFounding date: 24 - 7 - 2018