Hop Tac Xa Che Bien Nong San Va Van Tai Que Doanh Address: Khe Dua Hamlet, Vien Son Commune, Van Yen District, Yen Bai Province Enterprise code: 5200285048 Phone: 0216830215 Representative: Nguyen Quoc Doanh Adress: Khe Dua Hamlet, Vien Son Commune, Van Yen District, Yen Bai Province Vien Son Commune, Van Yen District, Yen Bai ProvinceFounding date: 25 - 1 - 2008