Nha Nuoc Mot Thanh Vien Moi Truong Do Thi Son La LTD Address: No 7, Ban Co Street, Son La City, Son La Province Enterprise code: 5500217948 Phone: 0936361683 Representative: Nguyen Xuan Minh Adress: No 101, Giang Lac Street, Civil Group 3, Son La City, Son La Province Son La City, Son La ProvinceFounding date: 23 - 8 - 2004