运营类资产具备绝对收益价值，国产替代及智能化赋予板块新活力

Group 1 - The environmental industry has shown significant growth, with the Shenwan (2021) environmental industry index rising by 3.34% as of June 20, 2025, ranking 9th among 31 industries. Key sectors such as monitoring/detection, air pollution control, and solid waste treatment have experienced substantial increases of 18.3%, 7.9%, and 7.8% respectively [8][10][11] - The overall PE ratio for the environmental sector is 35.62X as of June 20, 2025, indicating a notable increase compared to the first half of 2024. Specific sectors like water treatment and solid waste management have PE ratios of 23.8X and 30.2X respectively, suggesting a positive outlook for the industry driven by policy incentives and market mechanisms [10][12][17] Group 2 - The public utility price reform is progressing, with water price adjustments becoming a trend. Major cities like Shanghai, Guangzhou, and Shenzhen have implemented water price increases ranging from 10% to 30%, indicating a shift towards a more sustainable pricing mechanism [18][21][22] - The ongoing debt reduction efforts are expected to improve the accounts receivable situation for some operational companies in the water and solid waste sectors. The government’s commitment to resolving local debt risks is anticipated to facilitate quicker recovery of receivables [28][30][31] Group 3 - The report highlights the potential for domestic substitution and intelligent upgrades in the environmental sector, particularly in scientific instruments and sanitation equipment. The demand for carbon measurement and monitoring devices is expected to rise due to supportive national policies and the expansion of the carbon trading market [17][19] - The sanitation equipment market is poised for growth, with a notable increase in the sales of new energy sanitation vehicles, which reached a penetration rate of 15.4% in Q1 2025. The integration of autonomous sanitation solutions is also gaining traction [19][21][26] Group 4 - Investment recommendations focus on stable operational assets in the waste incineration and water sectors, as well as growth opportunities in scientific instruments and sanitation equipment. Companies such as Huanlan Environment, Xinyuan Environment, and Hongcheng Environment are highlighted for their strong performance and dividend potential [5][6][30] - The report emphasizes the importance of companies with high operational efficiency and significant water service revenue, as they are likely to benefit from the anticipated water price increases [24][25]