Xay Dung Vu Ha Address: Khoi 16, Phu Yen Town, Phu Yen District, Son La Province Enterprise code: 5500216567 Phone: 0212863356 Representative: Vu Thi Ngoi Adress: Khoi 2, Phu Yen Town, Bac Yen District, Son La Province Phu Yen Town, Phu Yen District, Son La ProvinceFounding date: 1 - 6 - 2004