Our personal
Contact person
for you
Matthias Wawra
Sales Manager
Phone: +49 4498 92 326 - 207
Siebo van Lengen
Area Sales Manager East
Phone: +49 4498 92 326 - 250
Marcel Pettau
Sales North-West Biogas
Phone: +49 4498 92 326 - 203
Peter Brown
Area Sales Manager South Biogas
Phone: +49 4498 92 326 - 255
Wilhelm Stockel
Area Sales Manager South Special gas application
Phone: +49 4498 92 326 - 252
AGNIESZKA SIEWRUK
Supply Chain and
Order Entry Manager
ARTUR LORITZ
International Sales
and Purchasing Manager
Matthias Wawra
Sales Manager
Phone: +49 4498 92 326 - 207
Siebo van Lengen
Area Sales Manager East
Phone: +49 4498 92 326 - 250
Marcel Pettau
Sales North-West Biogas
Phone: +49 4498 92 326 - 203
Peter Brown
Area Sales Manager South Biogas
Phone: +49 4498 92 326 - 255
Wilhelm Stockel
Area Sales Manager South Special gas application
Phone: +49 4498 92 326 - 252
ARTUR LORITZ
International Sales
and Purchasing Manager
AGNIESZKA SIEWRUK
Supply Chain and
Order Entry Manager
Internal sales department
CHP manufacturer
Internal sales department
Felix Wollschläger
East & Central Germany
Internal sales service
Celina Stolte
South Germany
Internal sales service
CHP manufacturer
Roger Schwesinger
Sales for CHP manufacturers and service providers
Internal sales department
Felix Wollschläger
East & Central Germany
Internal sales service
Celina Stolte
South Germany
Internal sales service
CHP manufacturer
Roger Schwesinger
Sales for CHP manufacturers and service providers
Head office
Phone: +49 4498 92 326 – 920
Distribution
Phone: +49 4498 92 326 – 204
Service
Phone: +49 4498 92 326 – 111
Personnel
Phone: +49 4498 92 326 – 152