# Separation Membranes Innovation (SMI) > Saudi manufacturer of advanced water treatment membranes — RO, NF, UF/MF and recycled ReGenesis membranes — built with nano-science. ## Pages - [Home](/): Company overview, technology, products and contact. - [RO Membranes](/ro-membranes): Reverse osmosis membranes for desalination and water purification. - [NF Membranes](/nf-membranes): Nanofiltration membranes for selective ion removal. - [UF/MF Membranes](/uf-mf-membranes): Ultrafiltration and microfiltration membranes. - [Industrial Modules](/industrial-modules): Spiral-wound industrial membrane modules. - [Custom Solutions](/custom-solutions): Engineered membrane solutions for specific applications. - [Membrane Recommendation](/membrane-recommendation): AI-assisted membrane selection tool. - [Membrane Comparison](/membrane-comparison): Compare membrane models side by side. - [Get a Quote](/get-quote): Request pricing and technical specifications. - [Blog](/blog): Articles on water treatment, membrane innovation and industry news. ## Optional - [Privacy Policy](/privacy) - [Terms of Service](/terms)