Số 102, phố Nguyễn Hữu Tiến, Thị trấn Đồng Văn, Duy Tien District
Savina Ha Nam Company Limited
Thôn Bút Sơn, Xã Thanh Sơn, Kim Bang District
Savina Scientific Technology Company Limted
Thôn Bút Sơn, Xã Thanh Sơn, Kim Bang District
Hai Ha Production Trading and Services Company Limited
Thôn Bồng Lạng, Xã Thanh Nghị, Thanh Liem District
Vicem But Son Cement Joint Stock Company
Xã Thanh Sơn, Xã Thanh Sơn, Kim Bang District