Imprint (according to § 5 TMG)


Justus-von-Liebig-Str. 3
12489 Berlin


Managing director:
Prof. Dr. Dietmar Lerche


Phone +49 30-6780 6030

Fax +4930-67806058

Trade register:
AG Berlin-Charlottenburg
HRB 51670
Umsatzsteuer-Identifikationsnummer according to §27 a Umsatzsteuergesetz:
DE 165549654
Responsible for the content according to § 55 Abs. 2 RStV:
Sami Seyfert


Image Copyrights

Frontpage Slider

Pumpjack Silhouette - Stock image Copyright: ImagineGolf

Nail polish drop - Stock image Copyright: Moncherie

Medical supplies - Stock image Copyright: aydinmutlu

Chocolate dream - Stock image Copyright: kokkodrillo

Colored inks (3D) - Stock image Copyright: lucato

Assorted juices - Stock image Copyright: ac_bnphotos

High Voltage electric substation with transformers - Stock image Copyright: hxdyl

Water Treatment Plant Tank concept for water conservation recycling - Stock image Copyright: pamspix

Oiling Gears - Stock image Copyright: maxuser

airplane wing - Stock image Copyright: 35007

three glue tubes - Stock image Copyright: Achim Prill



Privacy Policy

The operators of these sites are committed to protect your personal data. We treat your personal data confidentially and in accordance with the legal data protection regulations.

The use of our website is usually possible without providing personal information. Personal data (eg name, address or email addresses) is required on a voluntary basis. This data is not submitted to third parties (without your express permission).

We point out that data transmission over the Internet (eg when communicating via email) can have security gaps. A complete protection of data against unauthorized access by third parties is impossible.


Opposition to promotional emails:


The sending of unsolicited advertisements and information materials is hereby rejected. The operators of these pages will undertake legal steps in case of unsolicited promotional information, such as spam e-mails.


Newsletter & materials


If you want to receive the newsletter or order materials via contact form offered on this website, we need your e-mail address and information that allow us to get in contact with you. Further data is not collected. We use this information exclusively for sending the requested information and will not pass it on to third parties. The consent for storing the data, the e-mail address as well as their use for sending the newsletter and materials can be revoked at any time, for example through the "unsubscribe" link in a newsletter or a simple e-mail with the words 'no interest' in its headline.