To Hop Tac Xa Cong Nghiep Hiep Hoang Address: Na Thai Hamlet, Thuong Giap Commune, Na Hang District, Tuyen Quang Province Enterprise code: 5000540526 Phone: 02072467990 Representative: Nguyen Van Vung Adress: Ban Muong Hamlet, Thuong Giap Commune, Na Hang District, Tuyen Quang Province Thuong Giap Commune, Na Hang District, Tuyen Quang ProvinceFounding date: 12 - 8 - 2009