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Complaints center

The following form is available for complaints and suggestions.
Once you have sent off the form, you will receive a confirmation of receipt with transaction number.
Your complaint will be processed promptly. We will also keep you informed of the processing status.
You are of course also welcome to use our service hotline.
Thomas Wichmann
Customer and supplier advisors

Telefon: +49 89 8395-157
E-Mail: thomas.wichmann@keller-kalmbach.com