HOME ENGLISH CASTILIAN MARCELINO MARTINEZ OUR QUARRIES MATERIALS CATALOG OF WORKS NEWS CONTACT Marcelino Martínez, commitment and quality. 05-29-2017 CRYSTAL WHITE GRANITE FOR THE SAGRADA FAMILIA plus More than half a century of history supports the work and professionalism of our company in the natural stone sector. Thanks to our extensive experience, we know the enormous importance of raw material in the subsequent transformation and production processes so that in the end the product is the desired one. For this reason, we have our own quarries and rigorous quality controls that place us as leaders in the granite sector worldwide. We highlight ... Our quarries We have our own quarries distributed throughout the Spanish territory, Portugal and Venezuela. Our materials Consult the technical sheets of our online materials. Catalog of works Take a look at our history of works made with the best quality of our materials. Download the catalog Download our catalog in pdf: in it you can find all the information regarding our company. Poligono de As Gándaras, Parcela 26, 36400 Porriño - Pontevedra (SPAIN) Tel: +34 986 330 713 | Fax: +34 986 332 765 | PO Box 47 LEGAL NOTICE COOKIES PRIVACY CREDITS PUBLIC FUNDS