Jenkem Technology Co., Ltd. develops and manufactures polyethylene glycol derivative (PEG) products in China. The company offers branched, linear, double substituted, heterofunctional double substituted, multi-arm, multi-arm hetero functional double substituted, and monodisperse PEG products, as well as amino, sulfhydryl, and N-terminal pegylated PEG products. It also provides PEGylation services for proteins, peptides, oligonucleotides, and small molecules, as well as custom PEG synthesis of PEG derivatives. The company was founded in 2001 and is based in Beijing, China.