Tu Van Xay Dung Son La Joint Stock Company Address: No 39, To Hieu Street, To Hieu Ward, Son La City, Son La Province Enterprise code: 5500154800 Phone: 0212852266 Representative: Nguyen Thanh Chau Adress: No 39, To Hieu Street, Son La City, Son La Province To Hieu Ward, Son La City, Son La ProvinceFounding date: 2 - 10 - 1998