Xay Dung Thuong Mai Va Dich Vu Viet Tri Address: Khoi 6, Phu Yen Town, Phu Yen District, Son La Province Enterprise code: 5500404419 Phone: 02122475636 Representative: Nguyen Viet Tri Adress: Khoi 6, Phu Yen Town, Phu Yen District, Son La Province Phu Yen Town, Phu Yen District, Son La ProvinceFounding date: 2 - 7 - 2010