Group 1 - The stock price of Zhenghe Ecology closed at 11.35 yuan on August 22, 2025, down 0.61% from the previous trading day, with a trading volume of 0.66 billion yuan and a turnover rate of 6.94% [1] - The stock price fluctuated between 11.20 yuan and 11.50 yuan on the same day, with an amplitude of 2.63% [1] - Zhenghe Ecology's main business includes ecological environmental protection, focusing on water environment governance and ecological restoration, with its registered location in Beijing [1] Group 2 - On August 22, the company announced an adjustment to its share repurchase price ceiling, raising it to 16 yuan per share, and extending the repurchase period to February 22, 2026, to ensure the smooth implementation of the repurchase plan [1] - On the same day, the net outflow of main funds was 7.9991 million yuan, with a cumulative net outflow of 17.4894 million yuan over the past five days [1]

Group 1 - The core point of the article is that China Electric Environmental Protection (SZ 300172) held its 12th meeting of the 6th board of directors on August 2, 2025, to review the semi-annual report and summary for 2025 [1] - For the year 2024, the revenue composition of China Electric Environmental Protection is as follows: water environment governance accounts for 69.89%, solid waste disposal accounts for 19.4%, flue gas governance accounts for 8.41%, and other businesses account for 2.29% [1] - As of the time of reporting, the market capitalization of China Electric Environmental Protection is 3.8 billion yuan [1]