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Potassium Sulfate Price in China Slips 0.2% to USD 592.34/tonne

Potassium Sulfate in China was quoted at USD 592.34/tonne on 2026-09-03, down on the week but up 10.7% year on year.

Published 2026-09-07 · market: China

Potassium Sulfate in China was priced at USD 592.34/tonne as of 2026-09-03, a weekly fall of 0.2% from USD 593.72/tonne on 2026-08-27. Over the month the price declined 1.0% from USD 598.20/tonne on 2026-08-04, and over the quarter it fell 1.9% from USD 604.03/tonne on 2026-06-05. Year on year the price is up 10.7% from USD 535.06/tonne on 2025-09-03.

The 52-week high stands at USD 605.84/tonne, recorded on 2026-06-16. The 52-week low of USD 503.85/tonne was reached on 2025-11-11.

According to Claight market monitoring, Salt Lake Luoke entered summer maintenance on 2026-07-07 and other producers began scheduled plant maintenance. The same monitoring showed sulfuric acid prices remained high, creating significant cost pressure on Mannheim-process production.

Claight market monitoring shows domestic compound fertilizer plants operated at low rates and restricted restocking to small, as-needed quantities as of 2026-07-17. This constrained downstream demand for the nutrient.

Potassium SulfateChinaPotassium Sulfate pricePotassium Sulfate price in Chinacommodity pricesSeptember 2026

Prices are Claight's own series for Potassium Sulfate in China, 282 observations to 2026-09-03. Every figure in this report is computed from that series; percentage moves compare the same quoted market with itself. Causes were researched against public sources. Changes and averages are Claight Analysis.