Dau Tu Xay Dung Ninh Son Tay Bac Joint Stock Company Address: No 177B, Nguyen Luong Bang Street, Civil Group 11, Quyet Tam Ward, Son La City, Son La Province Enterprise code: 5500552583 Phone: 0948366998 Representative: Lo Van Binh Quyet Tam Ward, Son La City, Son La ProvinceFounding date: 19 - 6 - 2017