Price trend

Last week (September 8-14, 2025), downstream companies signed orders on demand, manufacturers' inventory levels were low, and the on-site supply did not fluctuate much. The market trend of raw material dissolving pulp was stalemate, the cost side support was limited, and the viscose staple fiber market trended slightly upward.

According to the commodity market analysis system of SunSirs, last week (September 8-14, 2025), the market price of viscose staple fiber was weak and stable. As of September 14, the average market price of viscose staple fiber was 13,120 RMB/ton, an increase of 80 RMB/ton compared with the same period last week, a weekly increase of 0.61%.

Analysis review

Cost: Last week (September 8-14, 2025), the market price of raw material dissolving pulp remained relatively stable, with limited cost support. As of September 14, the price of domestic dissolving pulp was around 6,700 RMB/ton, while the overseas price of hardwood pulp was around $800/ton and that of softwood pulp was around $870/ton. The market prices of auxiliary materials such as liquid caustic soda and sulfuric acid remained stable with slight fluctuations, providing general cost support.

Supply Fluctuated Slightly

Supply in the industry remained relatively stable, with the daily operating rate remaining at around 75%. Inventory levels at various viscose staple fiber manufacturers had declined compared to previous periods, with downstream yarn manufacturers taking delivery on demand. Overall inventory levels in the viscose staple fiber market had decreased, and supply fluctuations had been minimal. Some manufacturers had low inventories, suggesting limited support from the supply side.

Downstream Procurement on Demand

The downstream rayon yarn market saw a slight increase in plant operating rates, with minimal price fluctuations. As of September 14th, the price of ring-spun R30S yarn in Jiangsu Province was around 17,100 RMB/ton, and that of ring-spun R40S yarn was around 18,300 RMB/ton. The market was traditionally in the off-season, and downstream rayon yarn transactions were suboptimal. Only certain vortex-spun rayon yarn types were seeing some improvement in export orders. Spinning mills are primarily consuming raw material inventories and were in urgent need of replenishment, leading to a slight improvement in demand.

Market outlook

On the raw material side, the market for dissolving pulp (the main ingredient) and sulfuric acid (the auxiliary ingredient) is likely to remain generally stable, while the market for liquid caustic soda may see a narrow decline. Therefore, we anticipate a downward trend in viscose staple fiber prices in the short term, with insufficient cost support.

Supply and demand side: The operating rate of viscose staple fiber market equipment may not fluctuate much, and the inventory levels of some manufacturers are relatively low. Therefore, it is expected that the supply side of the viscose staple fiber market will be relatively strong in the short term; the terminal market demand has increased, and procurement is mainly on demand. It is expected that the driving force from the demand side of the viscose staple fiber market will be limited in the short term.

On the whole, the main raw material dissolving pulp market may remain weak and stalemate, the overall supply is sufficient, downstream spinning mills mainly sign orders on demand and purchase on demand, and under the mixed news on the market, viscose staple fiber manufacturers may maintain their previous quotations. Therefore, analysts of SunSirs predict that in the short term, the domestic viscose staple fiber market will be stable with small fluctuations, and the price is expected to be 13,000-13,200 RMB/ton.

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