Hop Tac Xa Trong Que Khuoi Cay Address: Khuoi Cay Hamlet, Ban Khuong Hamlet, Van Thuy Commune, Bac Son District, Lang Son Province Enterprise code: 4900872057 Phone: 02384266703 Representative: Dang Hoa Son Adress: Ban Khuong Hamlet, Van Thuy Commune, Bac Son District, Lang Son Province Van Thuy Commune, Bac Son District, Lang Son ProvinceFounding date: 11 - 12 - 2020