Experience, Expertise, Innovation

Plastic parts are used in nearly all areas of industrial production. On the one hand metal bushings must be inserted, on the other you need a permanent tight connection between two parts. Good if you can rely on a partner like KLN who combines performance and innovation.

High level innovations

Ultrasonic welding without energy director:
The KLN waffle sonotrode

Quick Change tools for Hot Plate machines
the Toolmaster series

40% higher efficiency and less lint formation during the vibration welding process with:Complete Process Control

Worldwide leader in innovations

With more than 200 employees KLN is not only one of the largest employers in the region, KLN is also a key factor in the worldwide automotive industry. Located at Heppenheim an der Bergstrasse, with its know-how and many patents for plastic welding, KLN will keep the conveyors in the automotive industry rolling!

60 year of experience in ultrasonic cleaning technology

For almost 60 years KLN has been using ultrasonic technologies for the industrial cleaning of various parts. Due to constant enhancement at very high level, today we offer a wide range of environmentally compatible cleaning systems.