China protein drug quality alliance was founded in tianjin international biomedical joint research institute on March 19, 2014. The alliance aims to improve the quality of protein drugs through multiple platforms such as industrial technology exchange, product quality and production technology research and development to strengthen the communication and cooperation among alliance members and with inspection institutions and government regulatory authorities. At present, more than 20 domestic well-known enterprises such as citic guojian, tianqing and haizheng have joined the alliance.