About us

BAK Technology AG is a leading manufacturer of plastic welding equipment, extruders, air heaters and blowers.

We present the best solutions for plastic fabrication, pipe construction, roofing, civil engineering, tunnelling, process heat, tarpaulins, flooring and much more.

BAK is a traditional Swiss company with head office in Kerns, Obwalden. Our production- and development facilities are in Switzerland, Germany and Austria.

BAK Technology AG - Who are we?

    Get to know us more in this video!

    BAK, quality wins!

    Best quality products and customer service are the most important to us!

    Through our experience of many years and the continous development within the market we make sure to only offer best quality and service to our demanding customers. We guarantee ideal customer service all over the world with the trustful partnership to our distributors who are placed in over 50 countries.

    We are offering a wide range of machines and accessories:

    • Hot air tools (hand held)
    • Wedge welding machines
    • Hand extrusion welders
    • Industrial heaters
    • Heating- & folding machines
    • Hot air welding machines
    • Hot air blowers
    • Industrial extruders
    • Industrial blowers
    • Test equipment

    History of BAK

    1997Founding BAK Thermoplastic Welding AG in Arbon, Switzerland

    1998Establishing of international business for selling plastic welding equipment and machines

    1999Opening of a new branch in Chiasso, Switzerland

    2003Moving the head quarter to Kaegiswil, Switzerland

    2006Ending business connections with company Leister

    • Beginning development and production of BAK tools and machines
    • Start of business partnership with company Herz, Germany
    • Opening a manufacturing facility in Alpnach, Switzerland

    2008Founding of BAK Asia Co Ltd in Bangkok, Thailand

    2010Establishing part-ownership of Dohle Extrusionstechnik GmbH, Germany

    2011Completing of new building and moving all operations into the new head office and manufacturing facility in Kerns, Switzerland

    2016Start extension building of head office and manufacturing facility in Kerns, Switzerland

    2017Opening extension building of head office and manufacturing facility in Kerns, Switzerland

    • Anniversary: 20 years BAK!

    2020New company name: BAK Technology AG

    2022Anniversary: 25 years BAK!

    2024Becoming part of the ROTHENBERGER Group

    BAK head quarter in Kerns, Switzerland