JenKem Technology offers custom PEG synthesis services using decades of expertise in research, development and manufacture of innovative PEG and monodisperse PEG derivatives, PEG co-polymers, and PEGylated conjugates. JenKem Technology has patented many PEG-related technologies and respects the intellectual property of others. As of June 2024, JenKem Technology has 109 active patents, 87 pending patent applications, several DMFs filed with the FDA and China CDE for our customers; and many other innovative technologies under development.

JenKem Beijing R&D Custom PEGs

Our dedicated and experienced technical support experts may be enlisted to assist you to identify the right high quality PEGs for your project. JenKem Technology’s R&D group will develop and synthesize your PEG, monodisperse PEG, or PEG co-polymer products to meet the unique needs of your project with the highest quality in the shortest possible time. Custom PEGylated conjugates are provided via dedicated PEGylation services.

JenKem Technology manufactures GMP grade PEG derivatives and bulk orders via custom synthesis, offering the opportunity to match customers’ special quality requirements. JenKem Technology is capable of development and synthesis of a wide range of GMP grade PEG derivatives under ISO 9001 and ISO 13485 certified quality management system, following ICH Q7 guidelines for GMP manufacture.

For detailed information about JenKem Technology’s custom PEG synthesis services, please contact us at For information about our current catalog PEG products, please visit our PEG Products pages on the left. For made-to-order products that may be in stock visit this link regularly.

Founded in 2001 by experts in PEG synthesis and PEGylation, JenKem Technology specializes exclusively in the development and manufacturing of high quality polyethylene glycol (PEG) products and derivatives, and related custom synthesis and PEGylation services. JenKem Technology is ISO 9001 and ISO 13485 certified, and adheres to ICH Q7 guidelines for GMP manufacture. The production of JenKem® PEGs is back-integrated to in-house polymerization from ethylene oxide, enabling facile traceability for regulated customers. JenKem Technology caters to the PEGylation needs of the pharmaceutical, biotechnology, medical device and diagnostics, and emerging chemical specialty markets, from laboratory scale through large commercial scale.