Van Mannekus & Co. B.V. is a well established processor and trader of Magnesium oxide products. The brands 'Floormag' and 'Stonemag' are the benchmarks for the construction/sorel industries. Whilst retaining the existing traditional products Van Mannekus has introduced a new range of high quality magnesia products for specialty markets. The premises of the company cover 25.000 m2 and are located in the port of Rotterdam providing excellent logistic services to destinations around the world. Van Mannekus is jointly owned by Possehl Erzkontor and Grecian Magnesite. The joint ownership strengthens the position of both shareholders as global suppliers of Magnesia products by offering a wide range of tailor-made caustic calcined magnesia grades. Van Mannekus & Co. B.V. benefits from both Grecian Magnesite's Research & Development capabilities and Possehl Erzkontor’s international network for sourcing and sales. The partnership provides Van Mannekus & Co. B.V. with global access to magnesia sourcing which allows us to further develop our position in most industrial markets of magnesia.