April 21 - On April 21, Shanxi Wojin New Materials Co., Ltd. quoted the ex-factory price of molten salt potassium nitrate at 5,100 yuan per ton, an increase of 50 yuan per ton compared to the previous quotation date, with an annual production capacity of 120,000 tons of potassium nitrate. Chempricehub analysis of potassium nitrate, long-short rating: 1. The ex-factory price of potassium nitrate rose by 50 yuan per ton to 5,100 yuan per ton, indicating that market supply may be tightening or demand is strengthening, providing positive support for spot prices. The increase of approximately 1%, while not constituting a significant change, reflects a short-term upward price trend, which may attract buyer interest and boost market trading activity.