Shanghai HaoyuanChemexpress

ChemExpress is a China-based pharmaceutical services company that provides integrated CRO and CDMO offerings, together with life science reagents, to global pharma and biotech customers. The company focuses on small molecules and has expanded into biologics and newer modalities including bioconjugates such as ADCs/PDCs/RDCs, peptides, and oligonucleotides. Its service scope covers research reagents and building blocks, process development, analytical and quality services, API and intermediate manufacturing, drug product manufacturing, and regulatory CMC support. ChemExpress positions itself as a one-stop partner across the value chain from starting materials and intermediates through APIs and finished dosage forms. It is a publicly traded company in China and serves thousands of partners globally from a base of multiple R&D and manufacturing sites.