Xay Dung Va Thuong Mai Cong Thang Address: Tieu Khu 1, Yen Chau Town, Yen Chau District, Son La Province Enterprise code: 5500365992 Phone: 02123840211 Representative: Nguyen Van Thang Adress: Tieu Khu 1, Yen Chau Town, Yen Chau District, Son La Province Yen Chau Town, Yen Chau District, Son La ProvinceFounding date: 21 - 5 - 2009