Sulfur Prices Surge by 400 Yuan in a Single Day, Nearing 5700 Yuan at Ports

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Sulfur Prices Surge by 400 Yuan in a Single Day, Nearing 5700 Yuan at Ports

2026-03-27

In just one weekend, the sulfur market witnessed an even more dramatic price surge, reaffirming its absolute dominance in the chemical raw material market. Just days after mainstream prices broke through 5000 yuan, sulfur prices have surged again, a rare occurrence in the chemical raw material market.

 


I. Explosive Data! Prices in Multiple Regions Hit Record Highs

According to the latest market monitoring data, the domestic sulfur market surged across the board on March 23, with prices in various regions simultaneously breaking records: the mainstream price of solid sulfur in Shandong was 5100 yuan/ton, up 300 yuan/ton from the previous day; liquid sulfur prices were concentrated between 4950-5000 yuan/ton, with a maximum single-day increase of 430 yuan/ton. Market sentiment is strongly bullish.

The port market performance was even more astonishing, with prices at major ports surging across the board. Zhenjiang Port's mainstream price reached 5670-5700 yuan/ton, a surge of 1390-1400 yuan/ton compared to March 20th; Dafeng Port's mainstream price jumped to 5650-5680 yuan/ton, a nearly 1400 yuan/ton increase in just three days, clearly demonstrating the tight supply situation in the market.

 

II. Price Increase Logic: Multiple Factors Resonate, Exacerbating Supply-Demand Imbalance

The current sharp surge in sulfur prices is no accident; multiple core factors have converged to drive prices continuously higher.

Firstly, port inventories are at historically low levels. The arrival volume of imported cargoes after the Spring Festival fell short of expectations, making available supply increasingly scarce, and traders have shown strong reluctance to sell.

Secondly, the spring farming fertilizer season has entered a critical period. Phosphoric fertilizer producers are maintaining high operating rates, leading to concentrated release of rigid demand for sulfur. Meanwhile, equipment maintenance at some local refineries has further exacerbated regional supply shortages.

Thirdly, the international sulfur market is performing strongly. Affected by geopolitical conflicts in the Middle East, import costs remain high, providing solid support for domestic prices.

 

Ⅲ. Soaring costs put pressure on phosphate fertilizer companies

According to industry cost models, for every 100 yuan/ton increase in sulfur prices, the production cost of monoammonium phosphate (MAP) and diammonium phosphate (DAP) will rise by 45-50 yuan. With the current sulfur price increase at 400 yuan/ton, this means a direct increase of 180-200 yuan per ton in phosphate fertilizer costs. Coupled with high prices for phosphate rock and synthetic ammonia, the cost pressure on phosphate fertilizer companies is approaching a critical point.


In summary, the current sulfur market is experiencing a sharp rise and is expected to remain volatile at high levels in the short term. Agricultural input practitioners need to rationally assess market conditions and plan their procurement schedules accordingly; farmers should plan ahead for spring fertilization to avoid missing the optimal planting season due to hesitation and to mitigate the impact of rising costs.