Dirk Seifert |  | |
| Manager Electrical Engineering dirk.seifert@gsw-group.com Phone: +49 2152 2033-19 Fax: +49 2152 2454 Mobile: +49 172 2671308 |
Andreas Schröder |  | |
| Head of service and assembly andreas.schroeder@gsw-group.com Phone: +49-2152-2033-276 Fax: +49 2152 2454 Mobile: +49-1732756106 |