正丹股份：上半年净利润同比增120.35% 拟10派3元

Group 1 - The core viewpoint of the article is that Zhengdan Co., Ltd. reported significant growth in its financial performance for the first half of 2025, with a notable increase in both revenue and net profit [1] - The company achieved a revenue of 1.429 billion yuan, representing a year-on-year growth of 3.37% [1] - The net profit attributable to shareholders reached 630 million yuan, showing a substantial year-on-year increase of 120.35% [1] Group 2 - The basic earnings per share for the company is reported at 1.20 yuan [1] - The company plans to distribute a cash dividend of 3 yuan per 10 shares (including tax) [1] - The growth in performance is primarily attributed to the increase in prices of anhydride and ester products compared to the same period last year, along with an improvement in gross profit margin [1]