Head of Procurement
 | Frank Dittmann
| Phone: | +49 (0) 2304 106442 |
| Fax: | +49 (0) 2304 106377 |
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Investment / Services
 | Marion Bothe
| Phone: | +49 (0) 2304 106681 |
| Fax: | +49 (0) 2304 106691 |
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Technical Procurement
 | Klaus Welz
| Phone: | +49 (0) 2304 106683 |
| Fax: | +49 (0) 2304 106691 |
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Raw Material Procurement / Subcontracting
 | Rudolf-Günter Richter
| Phone: | +49 (0) 2304 106395 |
| Fax: | +49 (0) 2304 106377 |
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