We welcome your request. Please contact us with your question - due to corona crisis and home office work we recommend to use mail instead phone call. See details on the right:


For sales & product requests:

Dr h.c. Julia Schilling / Mrs Marion Moeller
Phn: +49 5136 802421

For environment & sustainability:

Mrs Laura M. Weber
Phn: +49 5136 802421

For technical requests:

Dr. h.c. Hans-J Walter
Phn: +49 162 6712448
Skype: hjw-ae