April 22 — On April 22, the ex-factory price of industrial-grade potassium nitrate from Shanxi Wenshui County Zhenxing Potassium Nitrate Plant was quoted at 4,550 yuan/ton, an increase of 50 yuan/ton compared to the previous quotation date. The plant has an annual production capacity of 100,000 tons. Chempricehub analysis of potassium nitrate, bullish-bearish score: +1. The article reports that the ex-factory price of industrial-grade potassium nitrate from Shanxi Wenshui County Zhenxing Potassium Nitrate Plant increased by 50 yuan/ton to 4,550 yuan/ton, a rise of approximately 1.11%, indicating increased spot market demand or tightening supply, which has a positive impact on spot prices. The plant has an annual production capacity of 100,000 tons, but the price increase is relatively small and does not reflect overall market supply and demand changes, thus it is rated as a moderate positive (+1).