Khai Thac Cong Trinh Thuy Loi Son La Joint Stock Company Address: No 47, Chu Van An Street, Civil Group 2, Quyet Tam Ward, Son La City, Son La Province Enterprise code: 5500155057 Phone: 02123852160 Representative: Bui Thi Vinh Adress: Civil Group 3, Chieng Sinh Ward, Son La City, Son La Province Quyet Tam Ward, Son La City, Son La ProvinceFounding date: 2 - 10 - 1998