ISO 9001:2015 2024-2027.
Homologation BALLAST SNCF Catégorie C2/C4 (France).
Homologation BALLAST ADIF Tipo 1.
ANEFHOP Certificate: Quality, Risk Prevention and Environment.
QUALITY Policy.
Royal Decree Concrete 163/2019.
Certificate DAP Áridos.
ALCOVER Quarry
RIUDECOLS Quarry