Advanced Electrophoresis Solutions Ltd (AES) is a market leader for protein charge variant separation and characterization. AES has been working with leading biopharmaceutical research & producers answering their diversely urgent needs. AES has been providing critical reagents including a wide range of carrier ampholytes and pI markers supplied for essential lot release quality control (QC) of commercial therapeutic proteins, which saves millions of dollars for our customers for potential product disruption, exploration of replaced QC method, or file applications for revalidating SOPs to the regulatory agency. AES’s essential product: CEinfinite system is the only platform for high throughput reliable analytical iCIEF and both online iCIEF-MS coupling and off-line preparative iCIEF to do cross-verification and jointly conduct comprehensive and in-depth research on charge isomers.