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
EXHIBITIONS & EVENTS 2022
Meet us in person and get to know us and the successful concept of the CJC® Oil Care Systems.
SMM Hamburg
06—09 September 2022
Hall A1 | Booth 533

Transformer Life Management
19—20 September 2022
Monarch Hotel | Bad Gögging

WindEnergy Hamburg
27—30 September 2022
Hall B1 | ground floor

IN.STAND Stuttgart
18—19 October 2022
Hall C2 | Booth 2B18
