On January 15, the ex-factory average price of 52% powder potassium sulfate in Mannheim was 3,950–4,100 yuan/ton, down by 50 yuan/ton. Market procurement of potassium sulfate remained primarily driven by rigid demand restocking, with the overall trading atmosphere continuing to be subdued. PriceSeek analysis of potassium sulfate, Bull-Bear Score: -1. The ex-factory average price of potassium sulfate fell by 50 yuan/ton to 3,950–4,100 yuan/ton. Market procurement was dominated by rigid demand restocking, and the trading atmosphere remained subdued, indicating weak demand and relatively ample supply. This has put downward pressure on spot prices, which may continue to trend weakly in the short term, reflecting bearish signals of supply-demand imbalance in the market.