Certificates attest to the high quality of our products. The fact that we have earned the ISO 9001 quality management accreditation shows our desire to constantly increase customer satisfaction.

We were awarded to the international environmental management standard ISO 14001 in 2004 and to the Occupational health and safety certification OHSAS 18001 and Energy managment certification ISO 50001 in 2016.

The IRIS (International Railway Industry Standard) certificate is an investment in the future. It is based on the requirements of ISO 9001 and contains additional rail-specific requirements. This allows us to comply with the international quality management systems of railway manufacturers and suppliers of equipment components and means that we are ideally equipped for new orders from the global railway market with products such as the band resistor.


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Contact person

Thomas Knothe
Quality Agent
Tel: +49 351 3192 - 140