Hoi Cuu Chien Binh Huyen Phu Yen Address: Khoi 5, Phu Yen Town, Phu Yen District, Son La Province Enterprise code: 5500357215 Phone: 02123863460 Phu Yen Town, Phu Yen District, Son La ProvinceFounding date: 30 - 3 - 2009