九强生物(300406.SZ)发预减，预计2025年度归母净利润1.8亿元至2.18亿元，同比下降59.07%至66.21%

Group 1 - The core viewpoint of the article is that Jiukang Bio (300406.SZ) has disclosed its performance forecast for the year 2025, indicating a significant decline in net profit [1] - The company expects a net profit attributable to shareholders of between 180 million to 218 million yuan, representing a year-on-year decrease of 59.07% to 66.21% [1] - The net profit after deducting non-recurring gains and losses is projected to be between 171 million to 211 million yuan, reflecting a year-on-year decline of 59.48% to 67.16% [1]