Truong Trung Hoc Pho Thong Thach An Address: Dong Khe Town, Thach An District, Cao Bang Province Enterprise code: 4800466728 Phone: 02063840144 Adress: Thach An District, Cao Bang Province Dong Khe Town, Thach An District, Cao Bang ProvinceFounding date: 13 - 5 - 2010