Ban Quan Ly Du An Dau Tu Va Xay Dung Address: Iii Civil Group, Dong Khe Town, Thach An District, Cao Bang Province Enterprise code: 4800307855 Phone: 02063840116 Adress: Thach An District, Cao Bang Province Dong Khe Town, Thach An District, Cao Bang ProvinceFounding date: 11 - 9 - 2009