Jenkem Technology Co., Ltd. engages in the research, development, production and sales of medical polyethylene glycol (PEG) and its active derivatives. Its products include Y-shape maleimide, glucose PEG succinimidyl carboxymethyl ester, biotin PEG succinimidyl glutaramide and hydroxyl PEG 12 propionic acid. The company was founded by Shi Shan Kai, Zhu Hua Zhao and De Quan Zhu on October 9, 2001 and is headquartered in Beijing, China.