Phong Y Te Huyen Thach An Address: Khu Iv, Dong Khe Town, Thach An District, Cao Bang Province Enterprise code: 4800186738 Phone: 02063840536 Adress: Thach An District, Cao Bang Province Dong Khe Town, Thach An District, Cao Bang ProvinceFounding date: 17 - 2 - 2009