Data protection declaration

Scope of data collection and retention

OELCHECK has undertaken to provide its customers and suppliers with the best possible lubricant analysis service. Once you have entered your log-in details, this web page can usually be used without entering personal details. If personal details are collected on our pages (e.g. name, address or e-mail addresses), this is usually on a voluntary basis. These details shall not be passed on to third parties without your express consent. However, you should be aware that your details are available to our affiliated companies, such as OELCHECK China or OilDoc. 

Please note that security loopholes may arise when transferring data online (e.g. via e-mail). Complete protection of data from third-party access is not possible.

Data collected through use of Google Analytics

This website uses Google Analytics, a web analytics service from Google Inc. ("Google"). Google Analytics uses what are known as "cookies" - text files which are stored on your computer and allow analysis of your use of the website. The information obtained from the cookie about your use of this website is usually transmitted to and stored in a Google server in the USA. If IP anonymisation is activated on this website, however, your IP address will be shortened first by Google within the member states of the European Union or other contracting states of the Agreement on the European Economic Area. Only in exceptional cases shall your full IP address be transmitted to and shortened in a Google server in the USA. Google will use this information on behalf of the operator of this website to analyse your use of the website in order to create reports on website activity and provide further services related to use of the website and Internet to the website owner.

The IP address transmitted by your browser as part of Google Analytics is not combined with other data by Google. You can prevent cookies from being stored by changing the settings on your browser; however, we must point out that in that event you may not be able to use all functions of this website to their fullest extent. Furthermore, you can prevent the data acquired through the cookie and concerning your use of the website (including your IP address) from being recorded for Google and the processing of said data by Google by downloading and installing the browser plugin available at the following link. The current link is

"Addthis" bookmarking service

This website contains "Addthis" plugins which allow you to place bookmarks and share interesting website content. Cookies are used when "Addthis" is used. The data collected in this way (e.g. time of use or browser language) are transmitted to Add This LLC in the USA and processed there. Further information on data processing by Add This LLC and Add This LLC's data protection policy can be found at This website contains specific details on the type of data processed and its intended purpose. We do not process the data in question. By using the "Addthis" field, you consent to your data being processed by Add This LLC, to the extent indicated by the website You can refuse the use of your data at any time using an "opt-out cookie". More information on this can also be found on the above Add This LLC website.

Purposeful use of data

We observe the principle of purposeful data use and collect, process and store your personal data only for the purpose for which you shared it with us. Your personal data will not be passed on to any third parties without your express consent, unless this is required for service provision or contractual execution. Data is also only transmitted to state institutions and authorities entitled to receive information as part of legal duties of disclosure or where we are required to disclose information by a court decision.

We also take internal company data protection extremely seriously. We oblige our employees and our subcontractors to maintain secrecy and comply with data protection provisions. 

Right to information and right of revocation

You may receive free information regarding the data we store about you at any time without having to give reasons. You may have the data we have collected about you blocked, corrected or deleted and refuse anonymised or pseudonymised data collection and storage for the purposes of optimising our website at any time. You may also revoke your consent to the collection and use of your data at any time without giving reasons. In order to do so, please contact the address given under imprint. We are available to answer any further queries regarding our data protection information and the processing of your personal data at any time.