Open reagent means that the reagent used may not be the same brand as the instrument. The biochemistry analyzer mostly has open reagents. But nowadays several large companies began to close the reagent channel to promote their own reagents of the original brand or open their OEM market. The closed reagent is usually that the reagents and instrument itself are the unified brands. Most of the lab's equipment does. But on OEM cases, they could be a different brand but only requires certain branded reagents, which is depended on needs. The complete chemistry testing of Genrui generally includes the following items: Hepatic Panel: ALB TP AST ALP ALT GGT D-BIL T-BIL CHE Renal Panel: CREA(OX) UA UREA CO2 Lipid Panel: TG CHOL HDL-C LDL-C Cardiac Panel: LDH Diabetes Panel: GLU (OX) Pancreatitis Panel: α-AMY Anemia Panel: Fe