Since 1988, our certified reference materials have helped thousands of geologists, chemists and metallurgists increase their accuracy and efficiency with uncompromised control in geological data. We manufacture a comprehensive range of OREAS® products and specialise in custom-made CRMs produced from client supplied materials or selected from our extensive library of in-house materials to match the geology of your project. We provide quality assurance across our entire range including ALL gold ores. With the largest supply of CRMs globally, we offer fast and efficient shipping to over 135 countries. To discover more about how we can help you manage your QAQC program from start to finish, contact our team today.