北京亦庄国际蛋白药物技术有限公司

Etinpro (Beijing) Co., Ltd. (also known as Beijing Yizhuang International Protein Drug Technology Co., Ltd. or Beiyi Protein) is a high-tech contract development and manufacturing organization (CDMO) based in the Beijing Yizhuang Biomedical Park. Established in 2012 as a holding subsidiary of Beijing Kawin Technology Share-Holding Co., Ltd., the company specializes in providing one-stop CDMO, CMO, and CRO services for recombinant protein and antibody therapeutics. Etinpro offers comprehensive services ranging from cDNA development to IND filing, including cell line development, process optimization, pilot-scale production, and quality characterization. The company operates state-of-the-art pilot production platforms, including a 500L recombinant protein production line and a 200L antibody drug production line, helping global biopharmaceutical clients accelerate their drug development timelines.