Xóm Quán Rùa, Khu 1, Xã Sơn Vi, Lam Thao District
Cao Sơn Commercial Production Company Limited
Khu 5, Thị trấn Hùng Sơn, Lam Thao District
Hoang An Mineral Joint Stock Company
Khu 1, Xã Sơn Vi, Lam Thao District
Khu 8, Hồng Sơn, Xã Thạch Sơn, Lam Thao District