Sulquisa

Sulquisa is a leading Spanish producer of natural anhydrous sodium sulfate, operating as a key subsidiary of the Minersa Group. Founded in 1977, the company manages extensive mining operations and a sophisticated manufacturing plant in Villarrubia de Santiago, Spain. While serving diverse industrial sectors such as detergents, glass, and textiles, Sulquisa is a critical supplier to the pharmaceutical industry, providing high-purity sodium sulfate that meets international pharmacopoeia standards. Its products are used both as active pharmaceutical ingredients in laxative treatments and as essential excipients in drug formulation. The company is recognized for its commitment to environmental sustainability and maintains rigorous quality certifications including ISO 9001 and ISO 14001.