ZSHK Laboratories Limited is a biopharmaceutical pre-clinical research and development service company mainly engaged in pre-clinical research and evaluation services for drugs and medical devices. As a one-stop evaluation and research service platform, it provides services including pharmacology, pharmacodynamics, pharmacokinetics, toxicology and other safety-related studies for pharmaceutical developers and researchers worldwide.

ZSHK has established independent laboratories in Pingshan District of Shenzhen, Guangdong Province, and Suzhou Industrial Park and Suzhou New District, Jiangsu Province. ZSHK also jointly operated the Drug Safety Testing Center in Hong Kong Science Park with Hong Kong Science and Technology Parks Corporation. Paying active efforts in supply chain deploying, ZSHK has established breeding and research bases of experimental dogs and non-human primates in Hunan and Guangxi.