• Guilin Pharmaceutical Co. Ltd.
• Sanofi S.A.
• Novartis AG
• Cipla Limited
• IPCA Laboratories Ltd.
• Zhenhua Pharma Co. Ltd.
• Artecef B.V.
• KPC Pharmaceuticals Inc.
• Calyx Chemicals and Pharmaceuticals Ltd.
• Shanghai Natural Bio-engineering Co. Ltd.
• Zhifei Biological Products Co. Ltd.
• Jiangsu Hengrui Pharmaceuticals Co. Ltd.
• Zhejiang Holley Pharmaceutical Co. Ltd.
• Guangdong New South Group Co. Ltd.
• Ajanta Pharma Ltd.