WARRANTY 

Our products are warranted during one year after date of shipment.
(Warranty void if product is opened.)

In case products are returned for quality control, the products must be sent
to the factory with the following information :
 

• Samples of the defective pieces
• Name and address of the customer 
• Application description 
• Invoice-number
• Copy of the inspection sheet delivered in the box 
• Copy of the written complaint from the customer

This should be accompanied by our QD1 document,
which will be send to you immediately after registration of your complaint. 
This document should be duly completed, so that we have sufficient details
about the problem in order to deal with the matter swiftly.
 

The products must be used according to the working instructions and conditions
specified in our technical data.  Return shipments will only be accepted for quality control,
if the products have not been physically changed, damaged or opened. 
They will only be accepted if all the required information is available.