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  • contact@graux.be
  • Monday to Thursday : 07:30-12:00am and 00:30-04:30pm • Friday : 7:30-12:30am
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expertise

Areas of expertise
internationally recognized

GRAUX brings together all the skills and competencies of the value chain for the manufacture and assembly of special industrial machines.

GRAUX assure le montage des pièces fabriquées ainsi que le matériel de commerce (moteurs, vérins, transmissions, etc.) et câble les différents organes de contrôle
Expertise & Atouts métiers de Graux : technologie sous-vide, soudure spécialisée, assemblage en clean room, usinage et assemblage...

our business assets

Highly specialized expertise

GRAUX brings together all the skills and competencies of the value chain for the manufacture and assembly of special industrial machines.

Among these activities, we are internationally recognized by leading clients for our expertise in :

    • vacuum technology
    • specialized welding
    • assembly in a clean room
    • machining and assembly of very large dimensions

 

Discover these 4 areas of expertise in detail below.

our business assets

Vacuum technology

With more than 10 years of experience in the manufacture of vacuum assemblies, we have gained international recognition and expertise in the manufacture, assembly and quality control of vacuum assemblies and machines. Including those related to ion implantation technology.

Thanks to our partnership with the Walibeam technological competence center, we have developed extensive experience in mastering manufacturing processes to produce assemblies subjected to primary vacuum, secondary vacuum and Ultra High Vacuum (UHV).

With our partners, we have been able to achieve a WORLDWIDE INNOVATION allowing to perform ion implantation on continuously moving gritted strips. See this project.

Our engineers and operators have been specially trained in vacuum techniques and are certified for technical control and leak detection.

This know-how has enabled us to manufacture vacuum assemblies for the glass, space, watchmaking and nuclear research sectors. 

Technologie du vide - GRAUX

Examples of projects in vacuum technology

Vacuum tank for experiments
Vacuum beamline
Neutron casings
See all projects in vacuum technology

Men close to their customers with a constant concern for quality.

sector: Agri-food

A permanent and privileged customer-supplier relationship for a high level of manufacturing.

sector: Spatial

GRAUX is a major supplier for our institute (nuclear). The competitiveness of the calls to tender, the quality of the execution of the services and the quality files as well as the respect of the deadlines are for us undeniable assets. Sympathy and ease of relationship are a plus.

sector: Nuclear

I appreciate working with GRAUX, both for the quality of their workmanship, their flexibility, their competitiveness and their responsiveness. We have been working together for many years, and the exchanges are all the more pleasant.

sector: Medical industry

Dynamic team responding with professionalism and able to advise us during our studies. Over the course of our projects, we are always delighted with the work done, without surprises and respecting our various design constraints.

sector: Engineering

For more than 20 years now, we have enjoyed a solid and reliable partnership with the company GRAUX! Their highly qualified teams are always ready to take on new technical and technological challenges, while remaining at our disposal for quality improvement. Thanks to their professionalism, their expertise and their family spirit, both of them took us to the top!

sector: Glass industry

GRAUX distinguishes itself from its competitors as a mechanical workshop by its medium size and the availability of its managers and project leaders.

 

sector: Steel & Metallurgy
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Disparition de Marc CHANTEUX

C’est avec une profonde tristesse que nous annonçons le décès de Monsieur Marc CHANTEUX, survenu à Momignies le 8 janvier 2026, à l’âge de 72 ans.

Marc a marqué l’histoire de l’entreprise GRAUX par son engagement et son leadership. Entré en 1980 au sein de la société ACM Momignies, qui fusionnera plus tard avec les Ateliers Graux pour devenir GRAUX, il a joué un rôle clé dans le développement de l’entreprise. D’abord responsable du suivi des fabrications, il a rapidement pris en charge les relations commerciales, tout en renforçant le savoir-faire technique de l’entreprise dans les domaines du tournage, du fraisage et du montage mécanique.

En 2002, Marc est devenu Administrateur Délégué de GRAUX. Sous sa direction, l’entreprise a connu une croissance significative, tant sur le plan commercial qu’industriel. Il a su moderniser les infrastructures, développer le parc machine, et renforcer les compétences de l’équipe, tout en cultivant des partenariats durables fondés sur des valeurs de rigueur, réalisme et partage.

Soucieux de la pérennité de l’entreprise, Marc a préparé la transition vers la 4ème génération en accompagnant son fils, Julien CHANTEUX, qui a repris la direction générale en 2018. Julien, impliqué dans la gestion de GRAUX depuis 2003, incarne aujourd’hui la continuité de cette aventure familiale et industrielle.

Exceptionnellement, l’entreprise GRAUX sera fermée le lundi 12 janvier 2026.

Les funérailles religieuses auront lieu le lundi 12 janvier 2026 à 10h30, en l’église Saint-Amand de Momignies. Un dernier hommage peut lui être rendu au funérarium Desmet Dardenne (146, Chaussée de Couvin à Chimay) vendredi, samedi et dimanche de 17h à 19h.

Nos pensées accompagnent ses proches et toute l’équipe de GRAUX dans ce moment douloureux.

Pour envoyer vos condoléances : [www.desmet-dardenne.be]