Anhui Sunhere Pharmaceutical Excipients Co. Ltd. Asahi Kasei Corporation
DuPont de Nemours Inc. Hunan Er-Kang Pharmaceutical Co. Ltd. Huzhou Zhanwang Pharmaceutical Co. Ltd. Liaoning Aoda Pharmaceutical Co. Ltd. Roquette Freres SA
Shandong Guangda Technological Development Co. Ltd. Shandong Liaocheng E Hua Pharmaceutical Co. Ltd.