The purity of the calcium carbonate found in our limestone deposits, combined with our extraction and treatment systems, allows us to create derivatives of different textures, shapes, and thicknesses. These derivatives are characterized by their extreme purities. When it comes to sand, ours is fine and white, with many of our clients coming from other provinces and autonomous communities exclusively to get this product. We are suppliers for the most important construction companies, both at the national and regional levels, as well as for the majority of concrete plants and businesses dedicated to the construction of pre-manufactured homes.


All our products have CE marking for the construction sector, according to the current legislation

2018 Hermanos Coto S.L. Canteras


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33919 Anieves (Tudela VeguÍn) Oviedo

Telf. 985 788 586 telf/fax 985 788 232