Imprint - Legal notice

Here at the CERA 4in1 Project we make an effort to provide only valid information on our website. However, we shall not be liable for, nor do we guarantee, that the information provided is current, correct, or complete. This shall also apply to all other sites listed either directly or indirectly to which a connection may be established via hyperlinks. CERA 4in1 shall not be held responsible for the content of web sites that can be reached via such links.

DMT GmbH & Co. KG
Am TÜV 1
45307 Essen

Tel +49 201 172-01
Fax +49 201 172-1462

DMT GmbH & Co. KG is a member of TÜV NORD GROUP.

Managing Company: DMT Verwaltungsgesellschaft mbH
represented by its managing directors Dr Maik Tiedemann (CEO) and Jens-Peter Lux. 

Registration Court:
Amtsgericht Essen

Registration numbers:
HRA 9091 (KG), HRB 20420 (GmbH)

VAT identification number according to Section 27 of the German Sales Tax Act:
DE 2532 75 653

Legally responsible acc. to § 55 RStV:
Knut Hirsch
DMT GmbH & Co. KG
Am TÜV 1
45307 Essen

Knut Hirsch

Disposal information:
Our products are subject to the WEEE directive. DMT has committed itself to take back all electrical and electronic components sold and to dispose of them professionally. Please contact
WEEE Registration number: DE 25917380

Image credits (
© DMT GmbH & Co. KG

Furthermore, CERA 4in1 shall not be liable for any damage, either direct or indirect, including loss of earnings, which may be incurred as a result of using the information or data found on this site. Rights and duties between CERA 4in1 and the user of this website or a third party are also excluded.

CERA 4in1 reserves the right to make changes or additions to the information or data provided without prior announcement.

The content of this website, in particular all texts, images, graphics, logos, and animated files, as well as their arrangement, are subject to copyright law and other laws protecting intellectual property. However, CERA 4in1 grants users the right to use, save, or duplicate the texts, images, and graphics provided on this website, either in whole or in part, for journalistic purposes within the restrictions of prevailing press and copyright laws whereby, however, CERA 4in1 must be named as the source and copyright holder of the information used and a sample copy must be sent to the CERA 4in1 Corporate Communications department (). However, using, saving, or duplicating the logos or animated files, or their arrangement, requires prior permission by CERA 4in1.

The texts, images, graphics, logos, etc. may not, however, be altered, copied for trade purpose, or used on other websites.

The CERA 4in1 website does not grant any kind of license rights to the intellectual property belonging to CERA 4in1.

All information or data, their use, and the registration to use the CERA 4in1 web site, as well as any activities carried out, tolerated, or refrained from in any context whatever pertaining to the CERA 4in1 website are subject exclusively to German law. The place of fulfillment and exclusive place of jurisdiction is Essen.

You can generally visit the pages of CERA 4in1 without us requiring your personal data. Your browser type, internet provider and the pages you visit may be evaluated for statistical purposes, however your personal identity remains anonymous.

Personal data is only acquired if you provide us with the data, for example, when registering, participating in a survey, or concluding a contract. The processing and use of your personal data for consultation, advertisement, and market research purposes requires your expressed permission. Your data will not be sold, leased, or in any other way be made available to third parties.