On February 5, the ex-factory quotation for industrial-grade potassium nitrate from Aoxin Chemical Co., Ltd. in Shifang City was 4,900 yuan per ton, a decrease of 300 yuan per ton compared to the previous quotation date. PriceSeek analysis of potassium nitrate: Bull-Bear Score: -1. The ex-factory quotation for potassium nitrate has dropped by 300 yuan per ton, indicating an increase in market supply or weak demand, with producers actively lowering prices to reduce inventory. This will exert downward pressure on spot prices and may lead to further short-term price weakness.