Find the contact person in your region now
CJC® Sales & Service: Your experts for the highest oil and fluid cleanliness.
We at Karberg & Hennemann serve the German market through a network of regional contacts. Your personal contact person is at your side with his in-depth expert knowledge and will be happy to answer all your questions about our CJC® Oil Care Systems as well as about oil and fluid care.

Michael M. Cornelius
Head of Sales, Authorized Signatory



Bernd Warnecke
Technical Sales



Michael M. Cornelius
Head of Sales, Authorized Signatory

Michael M. Cornelius
Head of Sales, Authorized Signatory

Jürgen Pietsch
Technical Sales

Michael M. Cornelius
Head of Sales, Authorized Signatory

Michael M. Cornelius
Head of Sales, Authorized Signatory

Jens Wojtusch
Technical Sales,
Machinery Lubricant Analyst (MLA II),
Expert for Cooling Lubricants (TÜV)
— on the left bank of the Rhine —

Uwe Precker
Technical Sales
— on the right bank of the Rhine —

Jürgen Pietsch
Technical Sales

Jürgen Pietsch
Technical Sales



Michael M. Cornelius
Head of Sales, Authorized Signatory


Andreas Mann
Key Account Manager — Shipping

Joerg Schnitter – Wikipedia
Key Account Manager — Wind
Fairs & Events 2023
Meet us in person and get to know us and the successful concept of efficient fluid and oil care.



