Dung Hang Phu Yen Address: Khoi 4, Phu Yen Town, Phu Yen District, Son La Province Enterprise code: 5500523857 Phone: 0973246555 Representative: Nguyen Thu Hang Adress: Khoi 5, Phu Yen Town, Phu Yen District, Son La Province Phu Yen Town, Phu Yen District, Son La ProvinceFounding date: 9 - 9 - 2015