Minas 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.


The quality control of Minas de Barqueiros is appreciated by its customers, which is shown by high classifications given annually, and also delivery of quality diplomas.