Benefit from our years of experience.

For over 40 years we have specialized in the technical heat treatment of a wide variety of metal parts. Our core competencies lie in the areas of industrial brazing and surface hardening using high frequency. Contact us today by phone or email. Alternatively, you can request a callback. Please use the corresponding form on our website.

We supply Swiss and international customers from various industries.

Our leadership team

At our location in Liestal, our employees will be happy to help you.


Toni Studer
Managing Director


René Schönenberger
Site manager

Tel.: +41 (0)61 901 47 40

Optimize processes.
Inspire clients.
Exceed expectations.

Let us convince you of of the quality of our services.

Very reliable and flexible.

Grag AG is a very reliable and flexible partner for us.

Schneto AG (F. Liberatore), Bennwil
Good quality and good communication.

We appreciate the good quality and the good communication with Grag AG.

Keramik Laufen AG, Laufen
A long-term partner for a reason

Grag AG is reliable, flexible and delivers very good quality. We are lucky to have such a good partner.

AGRO AG, Hunzenschwil

Use our
expertise to
your advantage.

Contact us today.


Your contact

René Schönenberger

Site manager