In our Research Labs our experts review new alloys and new uses of Precious Metals, with the help of the Development Section. This section is permanently paying special attention to our markets requirements. Our Control Section, provided with the most advanced systems, supervises manufacturing processes. The Laboratories ensure the reliability of analyses. The "SEMPSA" and "Good Delivery " brands are acknowledged by all Precious Metals Markets. SEMPSA forms part of one of the biggest international groups, the Cookson Group, one of the world leaders in the field of precious metals.