Phone: +49 (0) 831 960878-0
E-Mail: info@DRRR.de
Modern and clean testing laboratory for proficiency testing

Cooperation partners

Cooperation partners and subcontractors

For our services and products, we cooperate with a number of institutions from various fields.

The DRRR bears the technical responsibility for all subcontractors.

This has resulted in close cooperation with the following partners:

LUFA Nord-West, Oldenburg

www.lufa-nord-west.de

Cooperation with the Institute for Food Quality (IfL) of LUFA Nord-West in the field of calibration standards (IR-analysis)


Wessling GmbH, Walldorf

de.wessling-group.com/de

Cooperation with WESSLING GmbH in the development of microbiological reference systems in the field of non-pathogenic and pathogenic analysis.


Eurofins Institut Dr. Rothe GmbH, Dortmund

www.eurofins.de/eurofins-institut-dr-rothe

Eurofins Institut Dr. Rothe GmbH is subcontractor for the chemical analysis of samples for proficiency testing and reference materials.


Eurofins CLF Specialised Nutrition Testing Services GmbH, Friedrichsdorf

www.eurofins.de/eurofins-clf

Eurofins CLF Specialised Nutrition Testing Services GmbH is subcontractor for the microbiological and chemical analysis of samples for proficiency testing and reference materials.


bilacon GmbH, Berlin

www.bilacon.de

bilacon GmbH is subcontractor for the chemical analysis of samples for proficiency testing and reference materials.


SQTS – Swiss Quality Testing Services, Dietikon (schweiz)

www.sqts.ch

SQTS is subcontractor for the chemical analysis of samples for proficiency testing and reference materials.


polymerphys IK GmbH, Frankfurt am Main

www.polymerphysik.de

polymerphys IK GmbH is subcontractor for the mechanical testing of samples for proficiency testing and reference materials.


Weber & Leucht GmbH Application Lab, Fulda

www.weber-leucht.com

Weber & Leucht GmbH is subcontractor for the chemical-physical and physical-mechanical testing of samples for proficiency testing and reference materials.


UL International Germany GmbH, Krefeld-Uerdingen

www.ulttc.com

UL International TTC GmbH is subcontractor for the physical-mechanical testing of samples for proficiency testing and reference materials.


SKZ – Testing GmbH, Würzburg

www.skz.de

SKZ – Testing GmbH is subcontractor for the chemical-physical and physical-mechanical testing of samples for proficiency testing and reference materials.


O-Ring Prüflabor Richter GmbH, Großbottwar

www.o-ring-prueflabor.de

O-Ring Prüflabor Richter GmbH is subcontractor for the physical-mechanical testing of samples for proficiency testing and reference materials.


Innoform GmbH Testservice, Oldenburg

www.innoform-testservice.de

Innoform GmbH is subcontractor for the physical-mechanical testing of our samples proficiency testing and reference materials.


GMA-Werkstoffprüfung GmbH, Stade

www.gma-group.com

GMA-Werkstoffprüfung GmbH is subcontractor for the mechanical testing and production of our samples for proficiency testing and reference materials in the field of fibre reinforced plast


imat-uve GmbH, Mönchengladbach

www.imat-uve.de

imat-uve GmbH is subcontractor for the chemical-physical and physical-mechanical testing of samples for proficiency testing and reference materials.


In addition, we maintain good relations with a large number of laboratories. We work in partnership with them in various committees and working groups.