de Barqueiros, S.A., has an efficient quality control system with
well defined internal procedures that follow the product from the
extraction to the customer sale.
For this to be achieved, there are highly specialised technicians,
as well as a laboratory which is well equipped to characterise all
its products physical - chemistry and mineralogicaly.
Is also reponsible for the quality control of the associated company
Campados, S.A. which is situated only 15km further north.