汇成真空发预减，预计2025年度归母净利润2064.02万元至2792.49万元，下降58.99%至69.69%

Group 1 - The company Huicheng Vacuum (301392.SZ) has disclosed its performance forecast for the year 2025, expecting a net profit attributable to shareholders of between 20.64 million and 27.92 million yuan, representing a year-on-year decline of 58.99% to 69.69% [1] - The net profit after deducting non-recurring gains and losses is projected to be between 20.36 million and 27.54 million yuan, indicating a year-on-year decrease of 55.92% to 67.42% [1]