On February 4th, Tianfeng Chemical (Shanxi) Group Co., Ltd. quoted the ex-factory price of agricultural-grade potassium nitrate at 4,250 yuan per ton, with an annual production capacity of 100,000 tons. Compared to the previous quotation date, the price increased by 50 yuan per ton. PriceSeek's analysis of potassium nitrate indicates a bullish-bearish score of 1. The increase of 50 yuan per ton in Tianfeng Chemical's ex-factory price for agricultural-grade potassium nitrate to 4,250 yuan per ton suggests a potential tightening of supply or increased demand in the spot market, which is favorable for prices. It is expected that spot prices may continue to rise in the short term, and the upward adjustment in corporate quotations reflects a bullish sentiment in the market.