Group 1 - The core point of the article highlights that the sulfuric acid production in Shanxi Province for September 2025 reached 78,000 tons, representing a year-on-year growth of 8.6%, although the growth rate has slowed down by 33.3 percentage points compared to the previous year [1] - The production accounted for 0.8% of the national sulfuric acid output of 9,238,675.8 tons during the same period, which is 3.0 percentage points higher than the national growth rate [1] Group 2 - For the period from January to September 2025, the sulfuric acid production in Shanxi Province was 577,000 tons, showing a significant decline of 32.9% year-on-year, with the growth rate decreasing by 147.9 percentage points compared to the previous year [4] - This production level represented only 0.7% of the national sulfuric acid output of 83,295,670.8 tons, which is 38.3 percentage points lower than the national growth rate [4]

Group 1 - The core viewpoint of the articles indicates that the sulfuric acid production in Hubei Province has shown an increase in the first four months of 2025, reaching 4.744 million tons, which is an 11.4% growth compared to the same period in 2024, although the growth rate has slowed down by 12.4 percentage points compared to the previous year [1] - Hubei's sulfuric acid production accounted for 13.0% of the national total production of 36.512 million tons during the same period [1] - In April 2025, Hubei's sulfuric acid production was 1.202 million tons, marking a 20.3% increase year-on-year, but the growth rate has also decreased by 10.3 percentage points compared to April 2024 [3] Group 2 - The April production in Hubei represented 13.0% of the national sulfuric acid production of 9.22 million tons for that month [3] - The overall growth rate of sulfuric acid production in Hubei is higher than the national average by 6.2 percentage points for the first four months and by 11.3 percentage points for April [1][3]