The market of potassium sulfate is basically stable. The price of potassium sulfate in the water salt system was the same as last week, and the arrival price of 50% powdered potassium sulfate in Qinghai was 5000 yuan / ton; Xinjiang 52% powdered potassium sulfate was 5400 yuan / ton. Prices of some processed potassium sulfate products were slightly increased. The ex-factory price of Mannheim 50% powdered potassium sulfate was about 5300 yuan / ton, the same as last week; The ex-factory price of Mannheim 52% powdered potassium sulfate was about 5550 yuan / ton, up 50 yuan / ton from last week.