Hop Tac Xa Chien Thang Address: Cau A Hamlet, Mau A Town, Van Yen District, Yen Bai Province Enterprise code: 5200800838 Phone: 0976183217 Representative: Nong Van Chien Adress: Cau A Hamlet, Mau A Town, Van Yen District, Yen Bai Province Mau A Town, Van Yen District, Yen Bai ProvinceFounding date: 22 - 10 - 2013