Legal Notice

Please read the followinfg terms & conditions attentively before using this web site.
By accessing this site, you accept without limitation or reserve these terms and conditions.


To present our company and let you discover our products and our know-how.


The Website is published by GREYSTAL SA
Complexe Industriel de Méron – BP 5 – rue de l’Expansion – 49260 Montreuil-Bellay – France – Tel +33 (0)2 41 40 10 40 –
S.A. au capital de 6 232 019,25 € – siret 409 034 014 00020 – N° TVA intra. FR 62 409 034 014
N° déclaration CNIL : en cours


Jean Dominique GUITER
Complexe Industriel de Méron – BP 5 – rue de l’Expansion – 49260 Montreuil-Bellay – France
Tel : +33 (0)2 41 40 10 40 – e-mail :


The site accessible by the following URLs: or is operated in compliance with French legislation. The use of this site is governed by these terms and conditions. By using the site, you acknowledge having read and accepted these conditions. These can be modified at any time and without notice by the company GREYSTAL SA.

GREYSTAL SA can not be held responsible in any way for a misuse of the service.


The trademark GREYSTAL is a trademark registered with the INPI by the company GREYSTAL SA which owns it.

All content on this site, including, but not limited to, graphics, images, text, videos, animations, sounds, logos, gifs and icons and their formatting are the exclusive property of the company GREYSTAL with the exception trademarks, logos or content belonging to other partner companies or authors.

Any reproduction, distribution, modification, adaptation, retransmission or publication, even partial, of these elements is strictly prohibited without the express written consent of GREYSTAL SA. This representation or reproduction, by any means whatsoever, constitutes an infringement punishable by articles L.3335-2 and following of the Code of Intellectual Property. Failure to comply with this prohibition constitutes an infringement that may incur the civil and penal liability of the infringer. In addition, owners of copied Content may sue you.

GREYSTAL SA is the same owner of the „rights of producers of databases“ referred to in Book III, Title IV, of the Code of Intellectual Property (Law No. 98-536 of 1 July 1998) on copyright and databases.

Users and visitors of the website may set up a hyperlink to this site, but only in the direction of the home page, accessible at the following URL:, provided that this link opens in a new window. In particular, a link to a sub page („deep link“) is prohibited, as well as the opening of this site within a frame („framing“), except with the express prior authorization of GREYSTAL SA.

For any request for authorization or information, please contact us by email: Specific conditions are provided for the press.

In addition, the formatting of this site required the use of external sources whose rights we have acquired or whose rights of use are open.


16 rue Saint Sauveur – 75002 PARIS
tél : +33 (0)1 44 61 02 20 – e-mail :


16 rue Saint-Sauveur – 75002 PARIS
tél : +33 (0)1 44 61 02 20 – e-mail :


Your personal data are confidential and will in no case be disclosed to third parties except for the proper performance of the service.


The information on this site is as accurate as possible and the site is periodically updated, but may contain inaccuracies, omissions or deficiencies. If you notice a gap, error or what appears to be a malfunction, thank you to report it by email describing the problem as accurately as possible (page posing problem, triggering action, type of computer and browser used , …).

Any downloaded content is at the user’s own risk and under his sole responsibility. Consequently, GREYSTAL SA can not be held responsible for any damage to the user’s computer or any loss of data resulting from the download.

Pictures are not contractual.

The hypertext links set up as part of this website to other resources on the Internet can not engage the responsibility of GREYSTAL SA.


These conditions are governed by French law and any dispute or litigation that may arise from the interpretation or execution of these will be the exclusive jurisdiction of the courts on which depends the registered office of the company GREYSTAL SA. The reference language for the settlement of potential disputes is French.


In application of this law, Internet users have the right to access, rectify, modify and delete data concerning them personally. This right may be exercised by post at GREYSTAL SA Complexe Industriel de Méron – BP 5 – rue de l’Expansion – 49260 Montreuil-Bellay – France or electronically to the following email address:

Personal information collected is in no way entrusted to third parties except for the possible good performance of the service ordered by the user.


GREYSTAL implements all the means at its disposal, to ensure reliable information and a reliable update of its websites. However, errors or omissions may occur. The user must therefore ensure the accuracy of information from GREYSTAL SA, and report any changes to the site that it deems useful. GREYSTAL SA is in no way responsible for the use made of this information, and any direct or indirect damage that may result.


In addition, the return on a website to supplement information sought in no way means that GREYSTAL SA recognizes or accepts any responsibility for the content or use of said site.


No other guarantee is given to the customer, who has the obligation to clearly formulate his needs and the duty to inform himself. If information provided by GREYSTAL SA appears to be inaccurate, it will be up to the customer himself to carry out any checks on the consistency or likelihood of the results obtained. GREYSTAL SA will not be liable in any way to third parties for the use by the customer of information or their absence contained in its products including one of its websites ….


This site is offered in HTML5 and CSS3 languages, for a better user experience and a more pleasant graphics, we recommend using modern browsers like Safari, Firefox, Chrome, …

Note that older versions of Internet Explorer (earlier than IE10) may have significant content display defects and are no longer maintained by Microsoft.


It is therefore your responsibility to take the necessary precautions to ensure that what you choose to use is not tainted by errors or even destructive elements such as viruses, trojans, etc …


GREYSTAL SA is at your disposal for any comments or suggestions. You can write to us in French by email at:


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