Hop Tac Xa Dich Vu Nong Lam Nghiep Tong Hop Hong Ha Address: Hong Ha Hamlet, Mau A Town, Van Yen District, Yen Bai Province Enterprise code: 5200292535 Phone: 0216292379 Representative: Vu Van Thanh Adress: Hong Ha Hamlet, Mau A Town, Van Yen District, Yen Bai Province Mau A Town, Van Yen District, Yen Bai ProvinceFounding date: 7 - 7 - 2008