Hebei Changshan Kalal Biotech Co.,Ltd. (referred to as "Kaila Biotech") is a wholly-owned subsidiary established by Hebei Changshan Biochemical Pharmaceutical Co., Ltd. (referred to as "Changshan Pharmaceutical") to develop the international halal drug market. It targets the development of halal drugs.

The API workshop and small-volume injection workshop of Kaila Biotech have met GMP conditions. Kaila Biotech is a company specializing in the production of halal heparin products. Its main products include: cattle-derived heparin sodium API, cattle-derived enoxaparin sodium API, cattle-derived heparin related small volume injections, etc.