钢铁水泥电解铝配额方案落地，高能布局金矿强化资源化协同，龙净国资增持价值

Core Viewpoint - The report highlights significant growth in the environmental protection industry, particularly in the sanitation equipment and lithium battery recycling sectors, driven by increasing demand for new energy vehicles and rising lithium prices [1][3][7]. Industry Overview - Sanitation Equipment: In the first ten months of 2025, sales of new energy sanitation vehicles increased by 61.32%, with a penetration rate rising by 6.33 percentage points to 18.02%. Total sanitation vehicle sales reached 60,675 units, a year-on-year increase of 4.61%, with 10,931 units being new energy vehicles, marking a 63.32% increase [1][7]. - Lithium Battery Recycling: The price of lithium carbonate has risen, improving profitability. As of November 21, 2025, the weekly price of lithium carbonate was 92,400 (up 8.4% week-on-week), with cobalt and nickel prices at 405,000 and 116,700 respectively [1][7]. Investment Recommendations - Key Recommendations: Companies such as Hanlan Environment, High Energy Environment, Green Power Environmental Protection, and others are highlighted as key investment opportunities [2][4][5]. - Suggested Focus: Attention is drawn to companies involved in carbon monitoring and CCER asset appreciation, as well as those engaged in plastic recycling and energy-saving projects [3][4]. Financial Performance - Solid Waste Sector: The sector showed a 12% increase in net profit for the first three quarters of 2025, with a gross margin improvement of 2.7 percentage points. Free cash flow reached 13.3 billion, up 28% year-on-year [5][6]. - Water Sector: The water sector is expected to see a significant improvement in free cash flow, with a projected increase in dividend payout ratios as cash flow stabilizes [6]. Market Trends - Carbon Emission Quotas: The Ministry of Ecology and Environment has implemented a carbon emission quota scheme for the steel, cement, and aluminum industries for 2024 and 2025, which is expected to enhance the demand for carbon monitoring equipment [3][4]. - Price Adjustments: Recent price adjustments in water services in major cities are anticipated to support revenue growth and improve investment returns [6].