Contact Person Germany2025-07-08T13:05:10+00:00

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.

Head of Sales, Authorized Signatory

Michael M. Cornelius

Head of Sales, Authorized Signatory

Phone: +49 (0)40 855 04 79 – 82

E-mail

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Key Account Manager - Marine

Andreas Mann

Key Account Manager — Marine

Phone: +49 (0)151 12 88 38 05

E-mail

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Baden-Württemberg

Eckhard Weller

Technical Sales

phone

Phone: +49 (0)175 22 61 609

E-mail

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Bavaria

Bernd Warnecke

Technical Sales

Phone: +49 (0)163 85 31 094

E-mail

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Expanding your LinkedIN network

Michael Müller

Area Sales Manager Southern Germany

Phone: +49 (0)163 85 31 096

E-mail

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Berlin

Matthias Knorr

Representation CJC

Phone: +49 (0)160 92 17 77 78

E-mail

Brandenburg

Matthias Knorr

Representation CJC

Phone: +49 (0)160 92 17 77 78

E-mail

Bremen

Michael M. Cornelius

Head of Sales, Authorized Signatory

Phone: +49 (0)40 855 04 79 – 82

E-mail

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Expand your LinkedIN network

Hamburg

Michael M. Cornelius

Head of Sales, Authorized Signatory

Phone: +49 (0)40 855 04 79 – 82

E-mail

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Hesse

Andreas Heer

Technical Sales

Phone: +49 151 12 88 38 03

E-mail

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Mecklenburg-Western Pomerania

Michael M. Cornelius

Head of Sales, Authorized Signatory

Phone: +49 (0)40 855 04 79 – 82

E-mail

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Lower Saxony

Michael M. Cornelius

Head of Sales, Authorized Signatory

Phone: +49 (0)40 855 04 79 – 82

E-mail

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North Rhine-Westphalia

Jens Wojtusch

Technical Sales,
Machinery Lubricant Analyst (MLA II),
Expert for Cooling Lubricants (TÜV)

Phone: +49 (0)151 52 53 57 70

E-mail

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Rhineland-Palatinate

Michael M. Cornelius

Head of Sales, Authorized Signatory

Phone: +49 (0)40 855 04 79 – 82

E-mail

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Expand your LinkedIN network

Saarland

Eckhard Weller

Technical Sales

Phone: +49 (0)175 22 61 609

E-mail

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Saxony

Matthias Knorr

Representation CJC

Phone: +49 (0)160 92 17 77 78

E-mail

Saxony-Anhalt

Matthias Knorr

Representation CJC

Phone: +49 (0)160 92 17 77 78

E-mail

Schleswig-Holstein

Michael M. Cornelius

Head of Sales, Authorized Signatory

Phone: +49 (0)40 855 04 79 – 82

E-mail

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Thuringia

Matthias Knorr

Representation CJC

Phone: +49 (0)160 92 17 77 78

E-mail

Service Technician

Andreas Giese

Service Technician

Phone: +49 (0)171 6912 831

E-mail

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Are you looking for a CJC® contact person in your country?

Our sales representatives and branches look after you worldwide.

Find the contact person in your country here

Fairs & Events

Meet us in person and get to know us and the successful concept of efficient fluid and oil care.

HUSUM Wind 2025, Aussteller, CJC

Heat Treatment Congress 2025

Port & Shipping Conference 2025, Genova Shipping Week, Event

All trade fairs & events – Secure vouchers for tickets now