Price trend

According to SunSirs' commodity price analysis system, the average price of caprolactam-grade ammonium sulfate in the domestic market was 1,148 RMB/ton on January 28th, compared to 1,046 RMB/ton on January 1st, the price increased by 9.71% this month.

Market analysis

This month, the ammonium sulfate market price showed a strong upward trend. Coking-grade production rates saw slight adjustments, while caprolactam-grade production rates remained low. The increase in urea prices this month indirectly benefited the ammonium sulfate market. The supply side of ammonium sulfate received support, and demand gradually followed suit. Downstream buyers adopted a "buy on the rise, not on the fall" mentality, increasing their restocking enthusiasm, leading to a positive trading atmosphere in the ammonium sulfate market. Manufacturers experienced smooth shipments and mainly maintained firm prices. As of January 28th, the mainstream ex-factory price for coking-grade ammonium sulfate in Shandong province was around 1,020 RMB/ton. The mainstream ex-factory price for caprolactam-grade ammonium sulfate in Shandong province was around 1,120-1,160 RMB/ton.

According to the weekly candlestick chart from November 3, 2025, to January 10, 2026, domestic ammonium sulfate prices fluctuated during this period. In January, domestic ammonium sulfate prices rose significantly, with the largest increase occurring in the week of January 12th, followed by an increase of 3.14%.

Market outlook

According to analysts at SunSirs, the domestic ammonium sulfate price trend has been mainly upward recently. The ammonium sulfate market was temporarily experiencing good trading activity, with downstream buyers replenishing stocks as needed and an increase in inquiries. It is expected that the domestic ammonium sulfate market will continue to operate on a up trend in the short term.

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