Xay Dung Va Thuong Mai Ha Dung Address: Khoi 1, Phu Yen Town, Phu Yen District, Son La Province Enterprise code: 5500395098 Phone: 02123863157 Representative: Nguyen Van Son Adress: Khoi 1, Phu Yen Town, Phu Yen District, Son La Province Phu Yen Town, Phu Yen District, Son La ProvinceFounding date: 5 - 4 - 2010