Group 1 - The core viewpoint of the article emphasizes the ongoing "anti-involution" policies that are driving the elimination of outdated production capacity, which in turn is contributing to a narrowing decline in the Producer Price Index (PPI) year-on-year [1] - The cyclical layout suggests focusing on sectors such as the textile and apparel chain, agricultural chemicals chain, export chain, and areas benefiting from "anti-involution" [1] - The agricultural chemicals chain shows stable demand, supported by an increase in cultivated land area for fertilizers and the rising penetration rate of genetically modified crops for pesticides [1] Group 2 - On the macroeconomic front, expectations of improved supply-demand dynamics in crude oil are strengthening the bottom support for oil prices, while coal prices are expected to oscillate at a long-term bottom, and natural gas import costs may decline [1] - The chemical leader ETF (516220) tracks a specific chemical index (000813), which selects listed companies from various sub-sectors such as chemical products, chemical fibers, fertilizers, and pesticides to reflect the overall performance of the chemical industry [1] - This index is characterized by high industry concentration and representativeness, providing an effective reference tool for investors interested in the dynamics of the chemical industry [1]