Sinocelltech Group Ltd is engaged in development and industrialization of biopharmaceutical products such as monoclonal antibodies, recombinant proteins and vaccines. The company has developed technology platforms in protein expression vectors, cell line development, serum-free medium development, stoichiometrically controlled fed-batch cell culture, process scale-up, and protein purification. Its capacities include stable CHO cell line development, cell banking and certification, serum-free and protein-free culture medium development, fed-batch cell culture process development, optimization, and process scale-up; protein purification development, and large scale production.