The "KleanAB" brand is a high-end international brand created by Sangon Biotech based on high-quality international standards. Its product range includes a variety of research antibodies and antigens, antibody raw materials for in vitro diagnosis (IVD), protein-related reagents, cell-related reagents, etc. These products are distributed to domestic and international pharmaceutical companies, immune diagnostic manufacturers, biotechnology companies, research universities and institutions, providing core upstream materials for high-end scientific research and immune diagnostics that meet pharmaceutical diagnostic industry standards.