唯万密封(301161.SZ)：上半年净利润4802.31万元 同比增加22.64%

Group 1 - The core viewpoint of the article highlights that Weiman Sealing (301161.SZ) continues to implement lean management practices to enhance operational efficiency and strengthen management levels [1] - The company achieved a revenue of 385.5179 million yuan, representing a year-on-year growth of 16.27% [1] - The net profit attributable to shareholders of the listed company reached 48.0231 million yuan, an increase of 22.64% compared to the same period last year, indicating stable growth in operating performance [1]