Revival Research LLC. is a research & development biotech company; we focus to identify and evaluate fast diagnostic screen test, such as for infectious disease or drug abuse status screening and others; second function to be a IVD (in vitro diagnostic medical device) raw materials supplier based on molecular biology, immunology, biochemistry and polymer nanomaterials, specializing in providing core raw materials and overall solutions for global biomedical customers. We supply syphilis antigen, flu A, antibody; flu B, antibody; covid, antibody; RSV, antibody; Strep A antibody; Rheumatoid Factor (RF) Blocker, latex with 300nm or 400nm which you need; we also resell middle product or final product fast test kits, control line reagents for lateral flow immuno-assay from in-house or from other high qualify vendors as your request.