On February 2, the ex-factory price of industrial-grade potassium nitrate from Shanxi Wenshui County Zhenxing Potassium Nitrate Plant was quoted at 4,300 yuan per ton, an increase of 50 yuan per ton compared to the previous quotation date. The plant has an annual production capacity of 100,000 tons. PriceSeek analysis of potassium nitrate, with a long-short rating of 1: The ex-factory price of potassium nitrate rose by 50 yuan per ton to 4,300 yuan per ton, indicating tightening supply or strengthening demand in the spot market, which is favorable for spot prices. With an annual production capacity of 100,000 tons, the price increase may be driven by rising raw material costs or downstream industrial demand. It is expected that spot prices will maintain a relatively strong trend in the short term.