On February 6, the ex-factory price of 50% powder potassium sulfate in Mannheim was 3,750–3,900 yuan/ton, while the ex-factory price of granular potassium sulfate in the Northeast region was 3,850–3,900 yuan/ton, representing a decrease of 50 yuan/ton. Market procurement of potassium sulfate remains primarily driven by essential restocking, with overall trading activity continuing to be subdued.