中达安涨2.04%，成交额4021.33万元，主力资金净流出489.74万元

Core Viewpoint - The stock of Zhongda An has shown a significant increase of 48.52% year-to-date, with a recent trading price of 14.54 CNY per share, indicating a positive market sentiment despite some fluctuations in the short term [1][2]. Company Overview - Zhongda An Co., Ltd. is located in Tianhe District, Guangzhou, Guangdong Province, and was established on August 8, 2000. It was listed on March 31, 2017. The company primarily engages in project management services, focusing on engineering supervision, including communication supervision, civil construction supervision, bidding agency, project construction, and engineering consulting [1][2]. Business Segmentation - The revenue composition of Zhongda An is as follows: - Power supervision: 20.73% - Civil construction supervision: 19.72% - Consulting and construction agency: 18.20% - Communication supervision: 16.97% - Water conservancy supervision: 16.03% - Bidding agency: 4.68% - Power exploration: 3.15% - Photovoltaic power generation: 0.51% [1]. Financial Performance - For the first half of 2025, Zhongda An reported a revenue of 302 million CNY, representing a year-on-year decrease of 8.48%. The net profit attributable to the parent company was 1.85 million CNY, down 59.99% compared to the previous year [2]. - Since its A-share listing, Zhongda An has distributed a total of 30.38 million CNY in dividends, with 1.36 million CNY distributed over the past three years [3]. Shareholder Information - As of June 30, Zhongda An had 15,100 shareholders, an increase of 41.65% from the previous period. The average number of circulating shares per person decreased by 29.02% to 7,967 shares [2].