Chengdu Lier Pharmaceutical

Chengdu Leer Pharmaceutical (also known as Chengdu Lier Pharmaceutical) is a high-tech pharmaceutical company based in Chengdu, China, and a subsidiary of Sichuan Aupone Pharmaceutical. Originally founded in 1971 as an army-affiliated manufacturer, the company specializes in the research, development, and production of biological pharmaceuticals, with a core competency in microbial fermentation technology. Its flagship product is Duokang (Mannantide), an independently developed glycopeptide immunomodulator used as an adjuvant in cancer therapy and for treating immunodeficiency. The company's extensive portfolio includes over 90 product registrations, ranging from traditional Chinese medicines like Zhuli Capsule to various active pharmaceutical ingredients (APIs) such as Gentamicin and Vitamin B12. Chengdu Leer operates GMP-certified facilities and maintains active research collaborations with prominent academic institutions like Sichuan University.