中达安涨2.08%，成交额2490.69万元，主力资金净流出243.31万元

Core Viewpoint - The stock of Zhongda An has shown a significant increase of 45.56% year-to-date, despite a recent decline of 6.13% over the past five trading days, indicating volatility in its performance [1][2]. Company Overview - Zhongda An Co., Ltd. is located in Tianhe District, Guangzhou, Guangdong Province, and was established on August 8, 2000, with its listing date on March 31, 2017 [1]. - The company primarily engages in project management services, focusing on engineering supervision, including communication supervision, civil engineering supervision, bidding agency, project construction, and engineering consulting [1]. Financial Performance - As of June 30, Zhongda An reported a revenue of 302 million yuan for the first half of 2025, reflecting a year-on-year decrease of 8.48%, while the net profit attributable to shareholders was 1.85 million yuan, down 59.99% year-on-year [2]. - The company has distributed a total of 30.38 million yuan in dividends since its A-share listing, with 1.36 million yuan distributed over the past three years [3]. Shareholder Information - As of June 30, the number of shareholders for Zhongda An reached 15,100, an increase of 41.65% compared to the previous period, while the average number of circulating shares per person decreased by 29.02% to 7,967 shares [2]. Market Activity - On September 24, Zhongda An's stock price rose by 2.08% to 14.25 yuan per share, with a trading volume of 24.91 million yuan and a turnover rate of 1.47%, resulting in a total market capitalization of 1.997 billion yuan [1]. - The net outflow of main funds was 2.43 million yuan, with large orders accounting for 3.40% of total purchases and 13.17% of total sales [1]. Business Segmentation - The revenue composition of Zhongda An includes: - Power supervision: 20.73% - Civil engineering 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]. Industry Classification - Zhongda An is classified under the Shenwan industry categories: - Building decoration - Engineering consulting services II - Engineering consulting services III [1]. - The company is associated with concept sectors including new urbanization, soil remediation, small-cap stocks, micro-cap stocks, and water conservancy construction [1].