April 30 News — On April 30, the average ex-factory price of 52% powdered potassium sulfate produced by the Mannheim process was 4,300 yuan per ton, up 50 yuan per ton from the previous week. The operating rate of processed potassium sulfate was approximately 45%. Chempricehub's assessment of potassium sulfate: Sentiment score: 1. On the spot market, the average ex-factory price of 52% powdered potassium sulfate (Mannheim process) on April 30 was 4,300 yuan per ton, up 50 yuan per ton from the previous week. The current operating rate of processed potassium sulfate is about 45%, with supply-side support providing a moderate upward boost to prices, forming a generally favorable outlook for potassium sulfate.