Customer service

Do you have a question about our products or about your order? Do you want to report a complaint? Then you can contact us by phone or simply send us an email:

We are available by telephone on weekdays from 10 to 12 o’clock on +49 (0) 2452 97708-0.

You can also send emails to:

Here do you find information to some important topics:


Self-collection is only possible during our opening times: Mon.- Fri. 9 - 17h and Sat. only on appointment.
To arrange a collection outside of the regular pickup times please contact us by telephone (+49 2452 977080, Mon. - Fri. 10:00 - 12:00 o'clock) or by mail (

Self-pickup is free of charge (no shipping costs).

Unfortunately there is no possibility for collection at a location in the Netherlands or Belgium and you have to pickup the commodities at our warehouse in Germany (IwonaTec GmbH, Stapper-Str. 36 - 38, 52525 Heinsberg, Germany).