All our crushed stone aggregates comply to the most stringent quality standards available in the industry. Regardless of the region we are active, we perform at the same quality level.

Al of our crushing sites in Sint-Truiden, Ham and Tienen are Copro-Benor-CE approved. Our site in Loncin complies to the European CE marking. This license guarantees qualitative end products for our customers. Besides all of our crushing and screening machinery are Copro-Benor-CE approved.

Copro vzw is an independent institution that controls the quality of the building materials.