DIA-UP can provide all kinds of high-quality antigens and antibodies for the development of renal function testing reagents, including Cystatin (CysC), neutrophil Gelatinase related lipid carrier protein (NGAL), Retinol binding protein (RBP), C-peptide protein (C-P), etc., which are mostly paired antibodies. They have been tested on various application platforms and also have been verified by correlation, so that they can meet the development of diagnostic kits on different platforms.