Xay Dung Va Thuong Mai Tan Vien Address: No 41, Khoi 13, Phu Yen Town, Phu Yen District, Son La Province Enterprise code: 5500281340 Phone: 02128639380 Representative: Nguyen Trong Toan Adress: No 41, Khoi 13, Phu Yen Town, Phu Yen District, Son La Province Phu Yen Town, Phu Yen District, Son La ProvinceFounding date: 6 - 3 - 2007