The benchmark event dedicated to materials, heat treatment and industrial innovations returns in 2026, with the theme of Heat and surface treatments for sustainable industry.

Organized by A3TS, Mattris ’26 will bring together all the players in the industry at the Kursaal in Dunkirk from July 1 to 3, 2026, for a high-level technical conference and a trade show featuring the most innovative companies in the sector.

The theme of Thermal and Surface Treatments for Sustainable Industry is part of a strong regional dynamic around the challenges of decarbonizing industrial processes and transforming transport, actively supported by the Hauts-de-France region, a pioneer in the energy transition.

• To find out more about the event, visit the dedicated website: https://mattris.a3ts.org/

• To submit your conference or poster proposal, please click here: https://event.fourwaves.com/mattris

• To reserve your stand, please download the registration form below and register either online (on this page), or by returning the completed form by email to a3ts@a3ts.org.