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 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, representing a year-on-year decrease of 8.48%. 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]. Stock Performance - On September 1, Zhongda An's stock price increased by 2.03%, reaching 14.06 yuan per share, with a trading volume of 8.59 million yuan and a turnover rate of 0.51%. The total market capitalization is 1.97 billion yuan [1]. - Year-to-date, the stock price has risen by 43.62%, but it has decreased by 4.35% over the last five trading days. Over the last 20 days, the stock has increased by 0.36%, and over the last 60 days, it has risen by 31.77% [1]. Shareholder Information - As of June 30, Zhongda An had 15,100 shareholders, an increase of 41.65% compared to the previous period. The average number of circulating shares per shareholder was 7,967, a decrease of 29.02% [2]. Business Segmentation - The company's main business revenue composition 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 as part of the construction decoration - engineering consulting services II - engineering consulting services III. The company is associated with several concept sectors, including micro-cap stocks, small-cap stocks, commercial aerospace, smart cities, and soil remediation [1].

Company Overview - Qingshuiyuan Technology Co., Ltd. is located in Jiyuan City, Henan Province, and was established on June 8, 1995. The company was listed on April 23, 2015. Its main business includes the production, research and development, and sales of water treatment agents and derivatives, as well as municipal and industrial water treatment services and environmental engineering construction services [2]. Stock Performance - As of August 27, Qingshuiyuan's stock price decreased by 2.07% to 9.47 CNY per share, with a trading volume of 34.72 million CNY and a turnover rate of 2.07%. The total market capitalization is 2.39 billion CNY [1]. - Year-to-date, the stock price has increased by 5.46%. Over the last five trading days, it has decreased by 0.42%, while it has increased by 1.61% over the last 20 days and by 14.10% over the last 60 days [2]. Financial Performance - For the first half of 2025, Qingshuiyuan reported a revenue of 417 million CNY, representing a year-on-year decrease of 26.25%. The net profit attributable to the parent company was -25.76 million CNY, which is a year-on-year increase of 41.73% [2]. - Since its A-share listing, the company has distributed a total of 152 million CNY in dividends, with no dividends distributed in the last three years [3]. Shareholder Information - As of August 8, the number of shareholders is 24,100, a decrease of 0.05% from the previous period. The average number of tradable shares per shareholder is 7,299, which has increased by 0.05% from the previous period [2]. Industry Classification - Qingshuiyuan is classified under the environmental governance sector, specifically in water management and treatment. It is associated with several concept sectors, including PPP (Public-Private Partnership), wastewater treatment, micro-cap stocks, phosphorus chemical industry, and soil remediation [2].

Core Viewpoint - The company Shanghai Port Bay has shown significant growth and strategic advancements in various sectors, particularly benefiting from the Belt and Road Initiative and its focus on soil remediation and energy solutions in commercial aerospace. Group 1: Company Performance - On August 6, Shanghai Port Bay's stock rose by 6.23%, with a trading volume of 620 million yuan and a turnover rate of 10.47%, bringing the total market capitalization to 5.926 billion yuan [1] - For the first quarter of 2025, the company reported revenue of 372 million yuan, a year-on-year increase of 29.25%, and a net profit attributable to shareholders of 35.697 million yuan, up 18.59% year-on-year [8] - The company has distributed a total of 102 million yuan in dividends since its A-share listing, with 95.9198 million yuan distributed over the past three years [9] Group 2: Strategic Initiatives - The company has implemented its technology in various coastal provinces and cities in China, as well as in Southeast Asian countries along the Belt and Road, completing over 20 projects related to ultra-soft soil foundation treatment [2] - In its 2023 annual report, the company emphasized its "going out" strategy, participating in soil improvement and foundation treatment projects in Belt and Road countries, providing green solutions that enhance local ecological and living conditions [2] - The company’s core technology system offers differentiated geotechnical engineering solutions, reducing project costs and construction time while achieving social and economic benefits [3] Group 3: Market Position and Shareholder Information - As of March 31, 2024, overseas revenue accounted for 83.01% of the company's total revenue, benefiting from the depreciation of the yuan [4] - The company is classified under the construction decoration industry, specifically in specialized engineering, and is involved in various concept sectors including the Belt and Road Initiative and small-cap stocks [8] - The number of shareholders increased by 0.12% to 11,500, with an average of 21,155 shares held per person, a decrease of 0.12% [8]

Group 1: Litigation Progress - The company, Zhejiang Zhuojin Environmental Technology Co., Ltd., is the plaintiff in a lawsuit against Shandong Water Engineering Geological Company regarding a service contract dispute, with the case currently in the first-instance judgment stage [3][4] - The court has ordered the defendant to pay the company a total of 10,444,479.1 yuan, with a joint liability for the debt from another defendant [4] - The judgment is not yet effective as it is within the appeal period, and the impact on the company's current or future profits remains uncertain [2][4] Group 2: Patent Acquisition - The company has recently received a patent certificate from the National Intellectual Property Administration for a method of enhanced chemical oxidation treatment of semi-volatile organic contaminated soil [6] - This patent aims to improve the purification efficiency of chemical agents used in soil remediation, reduce treatment costs, and minimize secondary risks, contributing to green and low-carbon management of organic soil pollution [6] - The acquisition of this patent reflects the company's core technology and is expected to enhance its competitive advantage through technological innovation, although it will not have a significant immediate impact on operations [6]