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Terms and conditions

Ownership of the site

Société par actions simplifiée au capital de 881 280€
Siège Social : Parc du Landacres, Rue de Vienne, 62360 ISQUES

TVA intracommunautaire : FR52452231053 LILLE   -    SIRET : 452 231 053 00011   -    Code APE : 4669B

Internet site by

OPALIS'TIC - 20 rue du Chemin Latéral - 62152 NESLES - Site Web : - Email :

Web Hosting

OVH - 2 rue Kellermann - 59100 ROUBAIX - Phone 1007 or +33 9 72 10 10 07

Crédits photos

© Melpomene - © Coloures-pic - © graphicsdunia4u - © Sergey Nivens - © psphotography - © Pio Si - © Gstudio Group - © karandaev - © Robert Kneschke - © Rawpixel - © Syda Productions - © Coloures-pic - © angelo sarnacchiaro - © scaliger - © Geckly - © niroworld - © drubig-photo - © logo3in1 - © Africa Studio - © VIPDesign - © Delphotostock - © 3darcastudio

Data privacy policy

Each form or teleservice limits the collection of personal data to what is strictly necessary (minimisation of data) and specifies:

  • What are the objectives of the data collection
  • If this data is mandatory or optional for the management of your request
  • Who will be able to access to it (only Hydrelis in principle, unless specified in the form when a transmission to a third party is necessary to manage your request)
  • Your Data Protection and Liberties rights and how to exercise them with Hydrelis

For any information or to exercise your "Data Protection and Liberties rights" concerning the processing of personal data managed by Hydrelis, please mail signed letter, along with an ID proof, to the following address:
Parc du Landacres, Rue de Vienne
62360 ISQUES

About Cookies

We use different cookies on this website in order to improve the interactivity of the website and our services. A "cookie" is a file of modest size, usually consisting of letters and numbers, sent by the internet server to the cookie file of the browser located on your computer's hard drive.
> Know more about cookies, how they work and how to manage them by visiting the CNIL website.

  • Internal cookies needed for the website use

    These cookies enable the site to work optimally. You can reject and delete them by using your browser settings, however your user experience may be degraded.

    Cookies name Shelf life Purpose
    PHPSESSID Session Manage the information about each session and allow the main functions of the website.
    720planBAK Session Session This cookie is used in load balancing for OVH web hosting
    720plan Session Session This cookie is used in load balancing for OVH web hosting
    Tarteaucitron 1 year Remember the user's choices about the cookies policy

  • Statistical cookies

    In order to improve the website to the users needs, we use cookies to collect information such as number of visits, number of displayed pages, users activities on the website and how often they come back. Those cookies are provided by Google Analytics and remain anonymous.

    Cookies name Shelf life Purpose
    _gat 1 minute Google statistics - Monitor requests sent to Googles servers
    _ga 2 years Google statistical analysis about how the user interacts with the website
    _gid 24 hours Google statistical analysis about how the user interacts with the website

  • Third party cookies for improving the interactivity of the website

    Hydrelis website relies on certain services offered by third party websites. These include Youtube/Dailymotion videos displayed on Youtube/Dailymotion website. These features use third-party cookies that are directly deposited by these services.

On your first visit on, a banner informs you about these cookies and asks you to make a choice. The cookies are only stored if you accept them or if you continue browsing the website by visiting a second page. At any moment of your visit on the website, you can find information and change your choice about the cookies policy. You can accept or reject the cookies policy by setting up your choice on the [Manage Cookies] webpage, available on the bottom of each page of the website. You can indicate your preference either globally for the whole website or service by service.

Data retention period

Action Data retention period
Quotation request 1 year