Core Insights - The production of caustic soda (100% equivalent) in Qinghai Province reached 34,000 tons in April 2025, marking a year-on-year increase of 51.3%, which is 31.3 percentage points higher than the same period last year [1] - For the period from January to April 2025, the total production of caustic soda (100% equivalent) was 134,000 tons, reflecting a year-on-year growth of 6.4%, but this growth rate is 12.8 percentage points lower than the previous year [1] Production Data Analysis - April 2025 production statistics indicate that Qinghai's caustic soda output accounted for 0.9% of the national total of 3,713,000 tons, with a growth rate that exceeded the national average by 46.8 percentage points [1] - Cumulatively, from January to April 2025, Qinghai's caustic soda production represented 0.9% of the national output of 14,959,000 tons, with a growth rate slightly above the national average by 1.1 percentage points [1]