Presentation and governance
UNM and its ecosystem
Standardization for the benefit of the market
Mecallians, the French mechanical industries
Our 115 standardization committees
S-AM : Standardisation of additive manufacturing European projet
European and international leadership
Maintenance agencies
UNM and the European “Machinery” Regulation
NF E 35-421 Méthode d’essai des matériels de récupération, de recyclage et de régénération des fluides frigorigènes