Biochemicals, namely, monoclonal antibodies for in vitro scientific or research use, polynucleotides for in vitro and in vivo scientific and research purposes, polypeptides for in vitro research use, precursors for in vitro genetic engineering use, and biochemicals for in vitro and in vivo scientific use; Raw material medicine, namely, active chemical ingredients for use in the manufacture of anti-tumor, anti-cancer, anti-infective, and antiviral medications; Raw material medicine, namely, ac...