长青科技：2025年上半年净利润3679.9万元，同比增长4.51%

Group 1 - The core viewpoint of the article is that Changqing Technology (001324) reported a positive financial performance for the first half of 2025, indicating growth in both revenue and net profit [1] - The company achieved an operating income of 230 million yuan, representing a year-on-year increase of 11.24% [1] - The net profit for the first half of 2025 was 36.799 million yuan, showing a year-on-year growth of 4.51% [1] - The basic earnings per share (EPS) was reported at 0.2667 yuan [1] - The weighted average return on equity (ROE) was 3.27% [1]