Yaxin Biotechnology

Yaxin Biotechnology is a Shanghai-based biotechnology company focused on the research, development, manufacturing, and commercial supply of animal-origin-free recombinant enzymes and related reagents used in biopharmaceutical production. The company serves bioprocessing, vaccine, cell therapy, mRNA drug, protein sequencing, and IVD workflows with products including recombinant trypsin, recombinant carboxypeptidase B, recombinant enterokinase, recombinant Protein A, nucleases, polymerases, and residual-detection ELISA kits. Yaxin positions itself as a supplier of critical raw materials for biologics manufacturing rather than as a therapeutic drug developer. It operates GMP manufacturing facilities, states that it holds independent intellectual property, and highlights ISO 9001:2015 and ISO 13485:2016 certifications. The company is part of the China National Biotec Group ecosystem and markets itself as a domestic Chinese source of key biopharma raw materials.