Presentation and governance
UNM and its ecosystem
Standardization for the benefit of the market
Mecallians, the French mechanical industries
Our 115 standardization committees
European and international leadership
Maintenance agencies
UNM and the European “Machinery” Regulation
NF EN 10359 Acier – Flans raboutés laser – Conditions techniques de livraison
Acier : Produits plats revêtus et non revêtus pour formage à froid