GenPEG

GenPEG (Jilin Province GenPEG Pharmaceutical Co., Ltd.) is a specialized biotechnology company and a wholly-owned subsidiary of Changchun GeneScience Pharmaceutical (GenSci). Founded in 2018 and headquartered in Jilin, China, the company is a leading global supplier of high-quality polyethylene glycol (PEG) derivatives and lipid-based delivery systems. GenPEG offers a diverse portfolio of products, including monodisperse and polydisperse PEGs, lipids for lipid nanoparticles (LNPs), and specialized linkers for antibody-drug conjugates (ADCs) and PROTACs. In addition to its product catalog, the company provides custom synthesis and PEGylation services to support pharmaceutical and biotech partners in optimizing drug delivery, stability, and pharmacokinetics. The company's technology is integral to the development of long-acting biologics, including GenSci's proprietary recombinant human growth hormone therapies.