Who we are.
S.A.U. SULQUISA, is a mining company established in 1978, and dedicated to the extraction and commercialization of Natural Anhydrous Sodium Sulphate used in a wide range of industrial applications.
S.A.U. SULQUISA has an integrated production model with its own Sodium Sulphate deposits close to the transformation plant where a High Purity and free of heavy metals Natural Anhydrous Sodium Sulphate is produced.
Our premises, located in Colmenar de Oreja (Madrid), have an annual production capacity of 300.000 tonnes per annun and it also has a co-generation plant to produce steam and electricity, becoming energetically self-sufficient.