Xay Dung Hoang Thang Address: No 112, Civil Group 10, Quyet Tam Ward, Son La City, Son La Province Enterprise code: 5500214665 Phone: 0212857269 Representative: Vu Xuan Hoang Adress: Civil Group 10, Quyet Tam Ward, Son La City, Son La Province Quyet Tam Ward, Son La City, Son La ProvinceFounding date: 26 - 2 - 2004