Development
Your point of contact for technical modifications and developments
![Herr Dr. Holger Jönen](/img_files/cols2/480/entwicklung/holger-joenen_4970_1.jpg)
Dr. Holger Jönen
Authorized Signatory of Hänsch Engineering GmbH
Head of Development
Telephone: | +49 (0) 59 62 93 60 - 953 |
Write e-mail |