PA-3600 Fully Automated IHC Staining System is based on the principle of specific binding of antigen and antibody to make the antibody-labeled chromogenic reagent (fluorescein, enzyme, metal ion, isotope) visualize a color through chemical reaction and then determine the antigens (polypeptides and proteins) in tissue cells. The localization, qualitative, and relative quantitative research on such antigens would be carried out. The product is used with ancillary reagents from our series for sample processing before pathological analysis (deparaffinization, antigen retrieval, staining as well as fluorescence in situ hybridization (FISH) detection pretreatment and post-hybridization wash).