Hop Tac Xa Dich Vu Tong Hop Thien Son Address: Chan Nuoi Hamlet, Xuan Ai Commune, Van Yen District, Yen Bai Province Enterprise code: 5200489147 Phone: 0216835082 Representative: Nguyen Duy Dong Adress: Chan Nuoi Hamlet, Xuan Ai Commune, Van Yen District, Yen Bai Province Xuan Ai Commune, Van Yen District, Yen Bai ProvinceFounding date: 27 - 1 - 2010