中达安跌2.25%，成交额1351.29万元，主力资金净流出169.56万元

Company Overview - Zhongda An's stock price decreased by 2.25% on September 5, trading at 13.45 CNY per share with a total market capitalization of 1.885 billion CNY [1] - The company has seen a year-to-date stock price increase of 37.39%, but has experienced a decline of 2.39% over the last five trading days and 5.01% over the last twenty days [1] - Zhongda An's main business includes project management services, primarily engineering supervision, with revenue contributions from various sectors such as power supervision (20.73%), civil engineering supervision (19.72%), and consulting and agency services (18.20%) [1] Financial Performance - As of June 30, Zhongda An reported a total of 15,100 shareholders, an increase of 41.65% from the previous period [2] - For the first half of 2025, the company achieved operating revenue of 302 million CNY, a year-on-year decrease of 8.48%, and a net profit attributable to shareholders of 1.8478 million CNY, down 59.99% year-on-year [2] - The company has distributed a total of 30.3829 million CNY in dividends since its A-share listing, with 1.3632 million CNY distributed over the last three years [3] Market Activity - The net outflow of main funds was 1.6956 million CNY, with large single purchases accounting for 13.41% and sales for 25.96% of the total [1] - The trading volume on September 5 was 13.5129 million CNY, with a turnover rate of 0.82% [1] Industry Classification - Zhongda An is classified under the construction decoration industry, specifically in engineering consulting services [1]