PCMI • خدمات اللحام بالنحاس لقطع المعادن,LAVAL

NAF Rev.2 (FR 2008) : Industrial mechanical engineering (2562B)

NACE Rev.2 (EU 2008) : Machining (2562)

Conventions Collectives : 2i - Convention collective nationale de la métallurgie (3248)

ISIC 4 (WORLD) : Treatment and coating of metals; machining (2592)

NACE Rev.2.1 (EU 2025) : Machining of metals (2553)