Shanghai Kailaiying Biotechnology Development

About Shanghai Kailaiying Biotechnology Development

AsymBio (Shanghai Kailaiying Biotechnology, 上海凯莱英生物) is the biologics CDMO business of Asymchem Group, based in Shanghai. It focuses exclusively on biopharmaceutical contract development and manufacturing and aims to be a trusted partner for global biologics innovators, covering early research, process development, toxicology batches, clinical batches and commercial-scale production.

Its service portfolio spans developability assessment, antibodies and recombinant protein drugs including monoclonal, bispecific and multispecific antibodies and fusion proteins, bioconjugates such as antibody-drug conjugates and novel drug conjugates, mRNA, analytical science and quality control, and regulatory affairs support. Work is organised across a Shanghai network of the Zhangjiang Center of Biological Technology and Innovation for early R&D and process development, a Jinshan manufacturing site for clinical to commercial supply of antibody and conjugate drug substance and drug product, and a Fengxian commercial manufacturing site, with single-use bioreactors, conjugation reactors, fill-finish and lyophilization capacity. It integrates Asymchem's payload-linker development and manufacturing for drug conjugate programs.

AsymBio sells project-based contract development and manufacturing services to biotech and pharmaceutical customers worldwide, taking programs from the laboratory through IND to BLA and commercial supply.