Lonza
Northeast Pharmaceutical Group Co. Ltd. (NEPG)
Biosint S.p.A.
Cayman Chemical
Merck KGaA
Tokyo Chemical Industry Co. Ltd.
CEVA
Kaiyuan Hengtai Nutrition Co. Ltd.
ChengDa PharmaCeuticals Co. Ltd.
Huanggang Huayang Pharmaceutical Co. Ltd.
Hubei Yuancheng SaichuangTechnology Co. Ltd.