Xay Dung Va Thuong Mai Ban Thuong Joint Stock Company Address: Phieng Ban 3, Bac Yen Town, Bac Yen District, Son La Province Enterprise code: 5500479598 Phone: 01636869955; 0336869955 Representative: Tuong Duy Tinh Adress: Hamlet 6, Lien Khe Commune, Khoai Chau District, Hung Yen Province Bac Yen Town, Bac Yen District, Son La ProvinceFounding date: 14 - 5 - 2013