Tran Van Thang Address: Hong Phong 3 Hamlet, Chien Thang Commune, Bac Son District, Lang Son Province Enterprise code: 4900798854 Phone: 0329007677 Representative: Tran Van Thang Adress: Hong Phong 4 Hamlet, Chien Thang Commune, Bac Son District, Lang Son Province Chien Thang Commune, Bac Son District, Lang Son ProvinceFounding date: 6 - 9 - 2016