Pfizer
Wockhardt Ltd. FDC Limited
Taicang Pharmaceutical Factory
Asahi Kasei Finechem
Cipla
Taj Pharmaceutical Ltd. Wuhan Xinzekang Chemical Co. Ltd. Vega Pharma Limited
Dalian Richon Chem Co. Ltd. Nanjing Gemsen International Co. Ltd. Taicang Pharmaceutical Factory
Changzhou Hangyu Pharmaceutical Technology Co. Ltd. Hunan Dongting Pharmaceuticals
Yinsheng Pharmaceutical
Mascot Industries
Alembic Ltd. and Hangzhou Lianzheng Chemicals Co. Ltd