CUSABIO is a leading biotechnology company specialized in production of high quality products for gene, protein, antibody, ELISA kit, raw material for production of diagnostic kit, drug residues, food safety small molecules & other small molecules. Our products cover research areas such as the biosynthesis/metabolism, neurobiology, cytokine, growth factor, autoimmunity and so on, including over 9000 kinds of ELISA kits for 37 species; over 6000 antibodies, thousands of high-quality recombinant proteins through the prokaryotic and eukaryotic expression systems; small molecule antigens and standards used in drug residues, food safety and other field and dozens of excellent proteins and antibodies for diagnostic use.