ISO 14001

Abrasives Division
Electromineral Division
Industrial Ceramics Division
Super Refractories Division

ISO 45001

Abrasives Division
Electromineral Division
Industrial Ceramics Division
Super Refractories Division

ISO 50001

Abrasives Division

ISO 9001

Abrasives Division
Electromineral Division
Industrial Ceramics Division
Super Refractories Division

SA 8000

IATF 16949

ISO 3834

EN 9100