中达安跌2.04%，成交额3305.09万元，主力资金净流入13.98万元

Core Viewpoint - The stock price of Zhongda An has experienced fluctuations, with a year-to-date increase of 46.78% but a recent decline in the last five and twenty trading days [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 [2] - 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 [2] - The revenue composition of Zhongda An includes: 20.73% from power supervision, 19.72% from civil engineering supervision, 18.20% from consulting and construction, 16.97% from communication supervision, 16.03% from water conservancy supervision, 4.68% from bidding agency, 3.15% from power exploration, and 0.51% from photovoltaic power generation [2] Financial Performance - As of June 30, Zhongda An reported a total revenue of 302 million yuan for the first half of 2025, a year-on-year decrease of 8.48%, and a net profit attributable to shareholders of 1.8478 million yuan, down 59.99% year-on-year [2] - The company has distributed a total of 30.3829 million yuan in dividends since its A-share listing, with 1.3632 million yuan distributed over the past three years [3] Market Activity - On September 22, Zhongda An's stock price fell by 2.04%, trading at 14.37 yuan per share, with a total market capitalization of 2.014 billion yuan [1] - The stock saw a net inflow of 139,800 yuan from main funds, with large orders accounting for 11.67% of purchases and 11.24% of sales [1]