Investment Rating - Maintain "Buy" rating for the environmental protection industry [1] Core Insights - The acceleration of unmanned sanitation bidding indicates rapid industry development and technological iteration [8] - Decrease in capital expenditure in waste incineration leads to improved dividends, while heating and IDC collaborations enhance ROE and valuation [9] - Water utility operations show steady growth and high dividends, with water price reforms reshaping growth and valuation [12] Summary by Sections Industry Trends - Unmanned sanitation bidding is accelerating, with significant projects announced, such as the procurement of 100 autonomous cleaning vehicles with a budget of 28.6 million yuan [8] - The waste incineration sector is experiencing a decline in capital expenditure, leading to improved free cash flow and increased dividends. For instance, Junxin Co. plans to distribute 507 million yuan in cash dividends in 2024, a 37% increase year-on-year [9] - Water utility sector performance remains robust, with a projected revenue of 655 billion yuan in 2024, despite a 2% decline, and a 27% increase in net profit [12] Key Recommendations - Recommended stocks include Hanlan Environment, Green Power, Yongxing Co., and others, focusing on companies with strong dividend policies and growth potential [4] - The report highlights the importance of water price reforms, with Guangzhou implementing significant price increases, which are expected to drive profitability [13][14] Equipment and Technology - The penetration rate of new energy sanitation vehicles increased by 6.14 percentage points to 14.55% in the first four months of 2025, with sales of new energy sanitation vehicles rising by 73% [21][22] - The report notes the profitability challenges in biodiesel production, with current prices leading to negative margins [36] Market Performance - The environmental protection and public utilities index rose by 0.81% from June 2 to June 6, 2025, underperforming compared to the broader market indices [44] - Top-performing stocks in the environmental sector included Jingyuan Environmental and Juguang Technology, with significant price increases [46]