Hop Tac Xa Que Son Address: Cua Ngoi Hamlet, An Thinh Commune, Van Yen District, Yen Bai Province Enterprise code: 5200271165 Phone: 0216834240 Representative: Nguyen Van Tam Adress: Civil Group 1, Quarter 3, Mau A Town, Van Yen District, Yen Bai Province An Thinh Commune, Van Yen District, Yen Bai ProvinceFounding date: 2 - 4 - 2007