Dau Tu Va Du Lich Ngoc Hoai An LTD Address: No 141, Nguyen Luong Bang Street, Civil Group 11, Quyet Tam Ward, Son La City, Son La Province Enterprise code: 5500568791 Phone: 0917886185 Representative: Pham Thi Thanh Mai Quyet Tam Ward, Son La City, Son La ProvinceFounding date: 10 - 7 - 2018