Manufacturing of half-finished goods by plastic volumetric deformation at high temperatures, for the machine industry, aeronautics, nuclear plants and production of special parts: Half-finished components produced by reverse extrusion (maximum outer diameter 150 mm, maximum inner diameter 100 mm, maximum height 150 mm) such as bearings, pistons, etc.; Half-finished components produced by direct extrusion such as shafts (maximum diameter 100 mm and maximum length 120 mm). Free-dropped forged parts up to 40 kg, such as: - shafts ; - ring-shaped parts ; - tubular parts . Precision die-stamped parts: Half-finished parts for gears used in car transmissions, up to 1.5 kg; Special bolts for aeronautic industry and nuclear power plants, up to 1 kg, of highly alloyed steels (inconel) ;