LK(SH:600388) Soochow Securities·2025-12-22 07:31Investment Rating - The report maintains an "Accumulate" rating for the environmental protection industry, indicating a positive outlook for the sector in the medium to long term [1]. Core Insights - The revision of the environmental air quality standards is set to be implemented in phases, which will lead to a long-term increase in demand for air pollution control, benefiting companies like Longjing Environmental Protection [4]. - The new air quality standards will tighten limits on pollutants, with significant reductions in annual and daily concentration limits for PM2.5 and PM10, among others, compared to the current standards [4][5]. - The 2026 environmental protection special fund budget has been set at 52.8 billion yuan, with a notable increase in the proportion allocated to air pollution control, which is expected to accelerate investment in this area [4]. Summary by Sections Air Quality Standards - The revised air quality standards will implement stricter limits, with PM2.5 annual and daily secondary limits reduced to 25 µg/m³ and 50 µg/m³ respectively, representing a year-on-year decrease of 29% and 33% [4]. - The first phase of implementation (2026-2030) will have transitional limits, while the second phase (from 2031) will enforce the stricter revised limits [4]. Environmental Improvement Goals - The report highlights that air quality improvement is entering a quality enhancement phase, with significant progress made in reducing annual concentrations and the frequency of heavy pollution events [4]. - The goal is to achieve an average concentration of PM2.5 below 25 µg/m³ by 2035, aligning with the broader "Beautiful China" initiative [4]. Funding and Investment - The 2026 budget for environmental protection is significantly higher than in previous years, with air pollution control receiving 46% of the total budget, up from 21% in 2025 [4]. - The budget for air pollution control has increased by 19% year-on-year, indicating strong governmental support for environmental initiatives [4].