Xay Dung Truong Son Address: SN137 To 7, Chieng Le Ward, Son La City, Son La Province Enterprise code: 5500200743 Phone: 0212852639 Representative: Doan Ngoc Kim Adress: SN137 To 7, Chieng Le Ward, Son La City, Son La Province Chieng Le Ward, Son La City, Son La ProvinceFounding date: 15 - 8 - 2001