Phong Tai Chinh - Ke Hoach Phu Yen Address: Khoi 5, Phu Yen Town, Phu Yen District, Son La Province Enterprise code: 5500354581 Phone: 02123863327 Phu Yen Town, Phu Yen District, Son La ProvinceFounding date: 20 - 3 - 2009