Weizhenbio Biotechnology Co., Ltd. (referred to as Weizhenbio) is a first-level subsidiary of Jiangsu Microdiag, and its marketing center is also one of the marketing centers of Microdiag. The marketing center is mainly responsible for the nationwide hospital market sales of cytokine diagnostic products such as DoptaTM DR-70, Mac-s POCT instrument and supporting reagents SAA, PCT, and interleukin series.