Group 1 - The stock price of Huicheng Environmental Protection closed at 209.19 yuan on August 15, 2025, down by 4.06 yuan, a decline of 1.90% from the previous trading day [1] - The stock exhibited significant volatility, with an intraday high of 218.99 yuan and a low of 201.68 yuan, resulting in an amplitude of 8.12% [1] - The total trading volume for the day was 58,967 hands, with a transaction amount of 1.252 billion yuan [1] Group 2 - Huicheng Environmental Protection is a publicly listed company focused on the environmental protection sector, with main businesses including the manufacturing of environmental protection equipment and environmental engineering services [1] - The company is included in multiple concept sectors, such as the environmental protection industry and Shandong sector [1] Group 3 - On August 15, the net outflow of main funds was 51.9927 million yuan, accounting for 0.16% of the circulating market value [1] - However, over the past five trading days, there has been an overall net inflow of funds, totaling 241.9945 million yuan, which represents 0.73% of the circulating market value [1]

Group 1 - The stock price of Qingxin Environment as of July 29, 2025, is 4.08 yuan, representing a decrease of 0.73% compared to the previous trading day [1] - The trading volume on the same day was 110,316 hands, with a transaction amount of 0.45 billion yuan [1] - Qingxin Environment specializes in the environmental protection sector, focusing on air pollution control, water pollution treatment, and solid waste management [1] Group 2 - As of July 18, 2025, the number of shareholders for Qingxin Environment is 45,638, a decrease of 2,049 shareholders, reflecting a decline of 4.30% [1] - The number of shares held by the Shenzhen Stock Connect is 5.8935 million, accounting for 0.41% of the circulating share capital [1] - On July 29, the net outflow of main funds for Qingxin Environment was 8.5281 million yuan, which is 0.15% of the market capitalization [1]