Office
Charlotte Lorenz |  | |
| Secretary charlotte.lorenz@gsw-group.com Phone: +49 2152 2033-11 Fax: +49 2152 2454 |
Accounting
Stephanie Hiep |  | |
| Accounting stephanie.hiep@gsw-group.com Phone: +49 2152 2033-101 Fax: +49 2152 2454 |
Process Engineering
Johannes Bremicker |  | |
| Process Engineer johannes.bremicker@gsw-group.com Phone: +49 2152 2033-103 Fax: +49 2152 2454 |