Dau Tu Va Xay Dung So 1 Son La Joint Stock Company Address: No 31, Street 3/2, Civil Group 02, Quyet Thang Ward, Son La City, Son La Province Enterprise code: 5500214305 Phone: 0912006542 Representative: Ngo Quang Son Quyet Thang Ward, Son La City, Son La ProvinceFounding date: 3 - 12 - 2003