SunSirs: The Ammonium Sulfate Market Continued Its Upward Trend in March

Price trend

According to the SunSirs Commodity Market Analysis System, the average domestic market price for caprolactam-grade ammonium sulfate stood at 1,755 RMB/ton on March 31. This compares to an average price of 1,216 RMB/ton on March 1, marking a 44.25% increase in ammonium sulfate market prices over the course of the month.

Market Analysis

This month, market prices for ammonium sulfate rose significantly, while production operating rates saw only minor adjustments. Driven by geopolitical conflicts, international urea prices remained at elevated levels, providing a positive boost to the ammonium sulfate market. Furthermore, under the influence of cost pressures, tender prices for coking-grade ammonium sulfate had continued to be pushed upward, while the market for caprolactam-grade ammonium sulfate had remained firm and on an upward trajectory. As of March 31, there had been no significant changes in the supply-demand dynamics of the ammonium sulfate market; downstream buyers were predominantly adopting a "buy on the rise, held off on the decline" mentality. Manufacturers and distributors were experiencing smooth product shipments and were primarily focused on maintaining firm pricing. As of March 31, the mainstream ex-factory quotation for coking-grade ammonium sulfate in the Shandong region stood at approximately 1,520–1,570 RMB/ton. For caprolactam-grade ammonium sulfate, the mainstream ex-factory quotation in the Shandong region was around 1,755 RMB/ton.

Based on the weekly candlestick chart covering the period from January 5 to March 23, 2026, domestic ammonium sulfate prices demonstrated a sustained upward trend throughout the cycle. In March, domestic ammonium sulfate prices surged significantly, with the most substantial increase—10.48%—occurring during the week of March 2.

Market Outlook:

According to an analyst at SunSirs specializing in ammonium sulfate, domestic prices for the product continued their upward trend in recent days. Supported by favorable factors—specifically rising production costs and an uptick in international urea prices—the domestic ammonium sulfate market is expected to maintain its predominantly upward trajectory in the short term.

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