Group 1 - The May PMI is reported at 49.5%, showing a month-on-month increase of 0.5 percentage points, indicating slight improvement in the manufacturing sector [1] - The PPI for chemical raw materials and chemical products has expanded its year-on-year decline to 4.1%, while the PPI for chemical fiber manufacturing has decreased by 6.5%, reflecting ongoing price pressures in the industry [1] - Fixed asset investment growth in the chemical raw materials and chemical products manufacturing sector has slowed to 1.3%, whereas investment growth in the chemical fiber manufacturing sector has increased to 17.6% [1] Group 2 - Inventory data shows a slight month-on-month decrease in finished goods inventory for both chemical raw materials and chemical products manufacturing, as well as chemical fiber manufacturing [1] - In terms of upstream raw material prices, the average WTI crude oil price has decreased by 19.55% year-on-year, while natural gas prices have increased by 43.57%, and the average price of thermal coal has decreased by 6.69%, indicating weak downstream demand and a clear trend of price competition in the industry [1] - The valuation of the basic chemical sector has seen an increase in PB compared to last month and the beginning of the year, while the PB for the petrochemical sector has risen month-on-month but remains below the level at the beginning of the year [1] Group 3 - The chemical leader ETF (code: 516220) tracks a sub-sector chemical index (code: 000813), which is compiled by China Securities Index Co., Ltd., selecting representative listed companies in the chemical products and chemical fiber sectors from the Shanghai and Shenzhen markets to reflect the overall performance of the Chinese chemical industry [1] - Investors without stock accounts can consider the Guotai CSI Sub-sector Chemical Industry Theme ETF Connect C (012731) and Guotai CSI Sub-sector Chemical Industry Theme ETF Connect A (012730) [1]