Your partner from engineering to manufacturing of technical parts in polymer, composite and metal

Let's work together!


From research to manufacturing

Alliance of know-how for the success of all your industrial projects


SUB-ALLIANCE at your service  

SUB-ALLIANCE, created in 2012, brings together the industrial engineering and manufacturing skills of 4 manufacturing divisions to serve your industrial projects spread over 7 production sites.

This unique synergy allows us to accompany you from the development to the manufacturing of your parts in polymers, composites, metals and your transmission elements.

Thanks to this alliance, we offer you all the industrial expertise in-house, which guarantees you:
  • High level of quality
  • Short delivery times
  • Fair price

in all fields such as defense, aviation, medical, banking, filtration, electricity, transport, industry, ....

Discover our expertise 


Sector of activity

Alliance of know-how for your industrial projects whatever the sector of activity



4 divisions, 4 complementary expertise dedicated to your projects



Specialised in injection moulding and in the manufacture of components and sub-assemblies in polymers, composites and multi-materials.


Discover FERONYL


Specialised in the engineering and manufacture of gears, transmission parts and gearboxes in both small and medium series.





Specialised in bar turning and super finishing of mechanical parts: automatic turning of metals and plastics, milling, grinding, honing and heat treatment.


Discover DPM



Specialised in the manufacture of tools for the plastics industry and in the machining of technical parts in plastic, polymer, metal, copper, brass, aluminium and titanium.

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