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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 personal data collection to the strict necessary for the treatment and indicate:

  • The finality of data collection
  • It's obligatory or optional data for the treatment
  • Who will know data (Hydrelis only, except specified in the form when a transmission to a third party is necessary to manage your request)
  • Your IT rights and freedom and how to exercise them.

For any information or exercise of your IT rights and freedom on personal data treatments by Hydrelis, please contact Hydrelis by signed post letter with an identity document copy in this following address:
Parc du Landacres, Rue de Vienne
62360 ISQUES

About Cookies

We use different cookies to improve interactivity and services. A cookie is a limited size file, letters and numbers composed, sended by the internet server to the cookies files on your computer navigator
> Learn more about cookies and how to oppose there.

  • Necessary cookies to website execution

    This cookie needed to the optimum website execution can't identify personally users. You can oppose and delete cookies on navigator parameter.

    Cookies name Deletion time Finality
    PHPSESSID Session Manage information about website visits and activate website main functionalities.
    720planBAK Session OVH Hosting ressources balancing
    720plan Session Equilibrage des charges pour l'hébergeur OVH
    Tarteaucitron 1 year Save consent choice about cookies

  • Statistical cookies

    In order to adapt this website on users request, we measure visits number, views page number, activities user and back frequency. These cookies created by Google analytics can't identify personally users.

    Cookies name Deletion time Finality
    _gat 1 minute Used to throttle request rate
    _ga 2 years Used to distinguish users
    _gid 24 hours Used to distinguish users

  • External Cookies improving website interactivity

    Hydrelis website use external services proposed by others website. it's about posted videos on hydrelis website (YouTube videos, Dailymotion videos). This feature use external cookies deposited by YouTube services.

During your first visit on, a banner informs you about cookies and invite you accept or personalize them. They are only deposited if you accept them or continue to navigate on website by visiting another website page. You may at any time inform yourself and set your choices about cookies by [Services management] page at the bottom right of each website page.

Data retention period

Process Data Retention period
Quotation request 1 year