Suzhou Huatai Air Filters Co., Ltd.

Harbin Pharmaceutical Group Pharmaceutical Factory
Northeast Pharmaceutical Factory
North China Pharmaceutical Co., Ltd.
Shanghai Biochemical Pharmaceutical Co., Ltd.
CSPC Pharmaceutical Group Limited
Nanjing Xiansheng Dongyuan Pharmaceutic Co., Ltd. 
GlaxoSmithKline Pharmaceuticals (Suzhou) Co., Ltd.
Beijing Tong Ren Tang Pharmaceutical Factory
Xi'an Yangsen Pharmaceutical Co., Ltd.
Zhuhai Livzon Pharmaceutical Group Co., Ltd
Chengdu Institute of Biological Products
Lanzhou Institute of Biological Products