Jiuqiang Biotechnology: A wholly-owned subsidiary obtains the registration certificate for estrogen receptor antibody test reagents medical devices.

Jiuqiang Biology announced that its wholly-owned subsidiary Fuzhou Maixin Biotechnology Development Co., Ltd. recently received a "Medical Device Registration Certificate" issued by the National Medical Products Administration. The product is estrogen receptor antibody reagent, registered category is class III, valid until April 8, 2031, used for semi-quantitative testing of estrogen receptors in related tissue slices in vitro. This registration certificate enriches the company's product line, will enhance core competitiveness and market expansion capabilities, and have a positive impact on future operations. However, sales performance depends on market promotion, so the impact on performance cannot be predicted at this time.