Sino Biological is a leading supplier of recombinant antigens and antibodies. We support the academic, biotech, pharma, and diagnostic companies with a large selection of reagents in oncology, infectious disease, and other research areas. The ProVir collection features the world’s largest bank of viral antigens. In 2020, our SAS-COV-2 reagents have been used to manufacture multiple FDA-approved COVID19 testing kits. We also provide services for antibody and protein production.