Main activity

We are specialized in heat treatments and vacuum treatments for more than 50 years. We have 8 plants in France and 1 in Romania. The characteristic of our group is that we have always totally mastered the whole of the heat treatments and all kinds of technologies such as: vacuum, atmosphere, plasma, induction, hardening, carburizing, nitriding, nitrocarburizing. Steel, stainless steel, light alloys and titanium alloys can be treated. We are involved in the following markets: aircraft, automotive, medical, sports and leasures, civil engineering, machinery and tools. We are accredited ISO 9001, EN 9100 and NADCAP.


  • ISO 9001
  • EN/AS/JISQ 9100 - 9110 - 9120


Airbus, Dassault, Safran Aircraft Engines, GE, Safran Helicopter Engines, Safran Power Units, Safran Transmission, Safran Landing Systems, Collins, LISI, Zodiac

195 rue de Gerland
69007 - LYON

+33 (0)4 78 61 66 10

100 - 199 employees

30 - 50 M€

Access to the site


Main activity: Service

Capabilities: Mechanics and metallurgy / Painting, coatings and surface treatments