The market price of potassium sulfate fluctuated slightly. The price of 50% powdered potassium sulfate in Qinghai is around 2800 yuan/ton, a decrease of 50 yuan/ton compared to last week; The price of 52% powder in Xinjiang is around 3100 yuan/ton, maintaining same as last week. The price of processed potassium sulfate has increased. The factory price of Mannheim 50% powdered potassium sulfate is around 3150 yuan/ton, showing an increase of 50 yuan/ton compared to last week; and 52% powder from Mannheim is around 3250 yuan/ton, an increase of 50 yuan/ton compared to last week.