Suzhou Changzheng-Xinkai Pharmaceutical Co., Ltd.
Xiamen Lizhuo Pharmaceutical Co., Ltd.
Qilu Pharmaceutical Co., Ltd.
Meiro Pharmaceutical Co., Ltd.
Jiangsu Yabang Epson Pharmaceutical Co., Ltd.
Hebei Wansui Pharmaceutical Co., Ltd.
Fujian Huitian Biopharmaceutical Co., Ltd.
Changzhou Watson Pharmaceutical Co., Ltd.
Teva Pharmaceutical Industries Ltd.
Sanofi
Lupin Pharmaceuticals, Inc.
Alembic Pharmaceuticals Inc.