Catalogues and registration

Together we are strong. We work hand in hand to offer our proficiency tests in an efficient and cost-effective manner. If you have any questions or suggestions regarding our offer or if you need further process-specific information, please do not hesitate to contact us.

Dipl. Wirt. - Ing. Christian Ueing
Head of department proficiency testing
Organisation and statistics
+49 (0) 23 51.10 64-167
ueing [at]