Xay Dung Hung Long Address: Khoi 1, Phu Yen Town, Phu Yen District, Son La Province Enterprise code: 5500371717 Phone: 02123863930 Representative: Nguyen Van Hung Adress: Kim Tan, Huy Bac, Phu Yen District, Son La Province Phu Yen Town, Phu Yen District, Son La ProvinceFounding date: 26 - 6 - 2009