On July 3, 2026, the polyester staple fiber market showed a rare structural divergence: industrial-grade fiber balls for water treatment remained at 15,500 CNY/ton, while textile-grade cotton-type staple fiber (1.56 dtex*38mm, melt direct spinning) ranged from 6,940 to 7,320 CNY/ton across different brands and regions. The nearly twofold price gap between the two categories signals fundamentally different supply-demand dynamics.
Supply-Demand Logic Behind the Price Split
The high price of industrial-grade fiber balls is not a short-term fluctuation. Henan Kaijie, a representative supplier, has maintained 15,500 CNY/ton for diameters from 30mm to 50mm. Three factors underpin this: first, water-treatment fiber balls require special chemical resistance and structural stability, raising production barriers; second, steady demand from environmental water treatment creates inelastic procurement; third, the market is concentrated, giving top suppliers pricing power.
In contrast, textile-grade polyester staple fiber shows a 380 CNY/ton spread—from Huahong's 6,940 CNY/ton (Wuxi, Jiangsu) to Zhonglei's 7,320 CNY/ton (Huzhou, Zhejiang). The gap reflects varying logistics costs, raw material supply radii, and local environmental policy enforcement across production bases in Jiangsu and Zhejiang.
Impact on Downstream Buyers
For textile mills, the sub-7,000 CNY/ton level directly reduces blended fabric production costs. However, the key question is whether this raw material discount will pass through to yarn and fabric prices. Historical patterns suggest that overcapacity in spinning often absorbs such savings, limiting benefits for end fabric manufacturers.
For water treatment engineering firms, high fiber ball prices raise project filtration costs. Given tightening environmental standards, demand is inelastic, leaving limited room for negotiation. Buyers should monitor domestic substitution progress—Henan Kaijie and others now offer stable supply, but high-end fiber balls still rely on imports. Localization could be a price loosening trigger.
Regional Industrial Zone Reactions
The price gradient is reshaping procurement flows. Some Zhejiang-based mills are already sourcing from northern Jiangsu to capture the 300-400 CNY/ton discount. However, cross-provincial logistics and longer lead times may offset part of the advantage. Large buyers with annual volumes above 1,000 tons should build a regional comparison mechanism that includes freight, payment terms, and quality consistency, not just ex-factory prices.