On February 2, 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 rigid demand for restocking, and the overall trading atmosphere continues to be subdued.