[SMM Analysis] Peak Season Effect Takes Hold, Manganese Sulphate Prices Maintain Strong Momentum

Published: Sep 28, 2025 23:39
Currently, the manganese sulphate market faces significant cost pressures: manganese ore supply in China is tight due to transportation delays caused by extreme weather overseas, leading traders to refuse to budge on prices; sulphuric acid has entered its peak demand season, with industrial-grade sulphuric acid in east China up 8% MoM from August, pushing battery-grade manganese sulphate production costs up by about 200 yuan/mt MoM from August. On the demand side, the September-October peak season is driving momentum, with downstream cathode plants and ternary cathode precursor enterprises actively stockpiling. Orders at mainstream manganese salt plants rose 10%-15% MoM in September. As producers operate based on sales, inventory in key production areas fell 5% MoM, resulting in a tight supply-demand balance. On the supply side, environmental protection checks have concentrated available supply, while operating rates at manganese salt plants climbed in September. The capacity utilization rate in Guangxi's core production area exceeded 65%, though capacity release in Guizhou remained limited due to cost constraints. With the short-term peak season effect continuing, battery-grade manganese sulphate prices are expected to remain strong in October, potentially exceeding 6,100 yuan/mt.

Cost side: Raw materials fluctuate at highs, cost pressure significant

Manganese ore: Transportation delays in major overseas production areas due to extreme weather tightened the supply of circulating material in the domestic market, traders generally maintained reluctance to budge on prices, and quotations remained firm. Sulphuric acid, a key auxiliary material, entered its peak demand season, with prices continuing to climb; current industrial-grade sulphuric acid quotations in east China rose 8% MoM from August, becoming another significant source of pressure on the cost side. Comprehensive calculations show the current production cost for battery-grade manganese sulphate increased by approximately 200 yuan/mt MoM from August, with the cost pass-through effect being significant.

Demand side: Peak season drives momentum, diversified demand provides support

With the arrival of the traditional September-October peak season, market trading activity recovered significantly. Downstream cathode plants' purchasing enthusiasm increased, and ternary cathode precursor enterprises, based on expectations of demand growth, intensified their stockpiling efforts, leading to a substantial rise in the volume of long-term contract executions for manganese sulphate. According to industry feedback, orders at mainstream manganese salt plants in September grew 10%-15% MoM, with some enterprises indicating clear demand increments had already emerged this month. Inventory side: The industry continued its cautious strategy of producing based on sales; to avoid inventory risks, manganese salt plants strictly arranged production according to order volumes, spot order procurement remained low, and no inventory hoarding was observed in the market. By late September, inventory levels in major production areas fell around 5% MoM, and supply and demand maintained a tight balance.

Supply side: Capacity release, supply-demand tight balance

Domestic environmental protection checks intensified, concentrating the supply of circulating material in the market; on the other hand, manganese salt plants' production enthusiasm improved significantly in September, operating rates surged substantially, and supply showed phased growth, effectively alleviating some supply pressure.

Regionally, the core production area of Guangxi, leveraging resource and industry chain advantages, maintained its capacity utilization rate above 65%, while areas like Guizhou, constrained by costs, saw limited capacity release, further consolidating the tight balance on the supply side.

Short-term perspective: The peak season effect of the September-October peak season is expected to continue releasing, downstream stocking demand and cost support are forming a resonance, and manganese sulphate prices are expected to continue their relatively strong trend in October, with the lower end price of battery-grade products anticipated to break through 6,100 yuan/mt.

Data Source Statement: Except for publicly available information, all other data are processed by SMM based on publicly available information, market communication, and relying on SMM‘s internal database model. They are for reference only and do not constitute decision-making recommendations.

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