Vat Lieu Xay Dung I Son La Joint Stock Company Address: No 71, Nguyen Luong Bang Street, Civil Group 8, Quyet Thang Ward, Son La City, Son La Province Enterprise code: 5500154663 Phone: 02123852654 Representative: Ngo Van Them Quyet Thang Ward, Son La City, Son La ProvinceFounding date: 2 - 10 - 1998