1. Institute of Blood Transfusion, Chinese Academy of Medical Sciences and Peking Union Medical College, Chengdu, China
2. Beijing Tiantan Biological Products Company Limited, Beijing, China
3. Shanghai RAAS Blood Products Company Limited, Shanghai, China
4. Nanyue Biopharming Corporation Ltd, Hengyang, China
5. Jiange Plasmapheresis Station, Sichuan Yuanda Shuyang Pharmaceutical Company Limited, Guangyuan, China
6. Cangxi Plasmapheresis Station, Sichuan Yuanda Shuyang Pharmaceutical Company Limited, Guangyuan, China