December 29th News: On December 29th, the ex-factory price of industrial-grade potassium nitrate from Hunan Meiao Potash was 5,300 yuan/ton, a decrease of 100 yuan/ton compared to the previous quoted price. The annual production capacity of the plant is 30,000 tons. Chempricehub analysis of potassium nitrate, long-short score: -1. The ex-factory price of industrial-grade potassium nitrate from Hunan Meiao Potash decreased by 100 yuan/ton to 5,300 yuan/ton, with an annual production capacity of 30,000 tons, indicating increased supply pressure or weakened demand in the spot market, leading to price pressure and bearish short-term market conditions.