Xi Nghiep Khai Thac Va Che Bien Khoang San Ham Yen Address: Te Village, Thai Hoa Commune, Ham Yen District, Tuyen Quang Province Enterprise code: 5000208550-002 Phone: 01657590501; 0357590501 Thai Hoa Commune, Ham Yen District, Tuyen Quang ProvinceFounding date: 30 - 9 - 2016