Profile: Protein Production Services Ltd. specializes in all aspects of manufacturing, including process development and scale-up, fermentation, purification, analytical testing, final formulation and product filling. We offer technology transfer, process development, and cGMP manufacturing of recombinant proteins and plasmid DNA obtained by mammalian cell culture and microbial fermentation. Our protein purification is a method, which consist of of different methods for enrichment and purification in small to large scales such as chromatography, ultrafiltration and precipitation.