Tram Khai Thac Va Bao Ve Cong Trinh Thuy Loi Thanh Pho Son La Address: No 47 Civil Group 2, Chieng Le Ward, Son La City, Son La Province Enterprise code: 5500518864 Phone: 02123857986 Representative: Hoang Van Thuong Chieng Le Ward, Son La City, Son La ProvinceFounding date: 26 - 3 - 2015