Stable Fiber Ball Prices Reflect Water Treatment Supply-Demand Dynamics

The price of fiber balls for water treatment has remained unchanged for consecutive days. On July 18, 2026, Henan Kaijie Water Treatment Co., Ltd. quoted 15,500 RMB/ton for three specifications (30mm, 40mm, and 50mm diameter) of regular fiber balls. This price plateau, against a backdrop of slight fluctuations in raw material polyester staple fiber prices, draws significant attention.

Industrial Cluster Characteristics Behind the Price

Zhengzhou, where Henan Kaijie is based, is not a traditional textile core area but a major hub for water treatment materials and environmental equipment. Fiber ball production requires modest polyester staple fiber quality but specific processing precision—diameter uniformity, fiber density, and compression resistance determine filtration efficiency. The 15,500 RMB/ton quote covers the full chain from raw material procurement to packaging.

Public industry data shows fiber ball production concentrated in Henan, Shandong, and Hebei provinces. These regions host both polyester staple fiber capacity and key water treatment project sites. Henan Kaijie's decision to maintain prices implies controlled raw material inventory costs and sufficient orders to sustain current capacity.

Buffer Period in Upstream-Downstream Cost Transmission

Polyester staple fiber prices experienced a modest rise in Q2 2026 before entering a consolidation phase. Fiber ball producers typically adopt a 'production-on-demand' strategy, aligning raw material procurement with order cycles. The 15,500 RMB/ton quote represents a balance between raw material cost volatility and end-client acceptance.

For buyers, this price level signals no imminent passive price increase due to raw material hikes. But for factories, margins are squeezed—raw materials account for 60%-70% of costs, while processing, labor, and logistics expenses rise rigidly, making 15,500 RMB/ton close to breakeven.

Structural Demand Shift in Water Treatment

Fiber balls are primarily used in industrial wastewater treatment, municipal sewage filtration, and cooling water circulation systems. In H1 2026, intensified environmental inspections in China boosted demand for advanced treatment equipment in steel, chemical, and electroplating industries. This trend lifted fiber ball procurement volume but didn't trigger price spikes, indicating ample supply-side capacity.

Unlike textile-grade polyester staple fiber, water treatment fiber balls are industrial consumables, with procurement decisions prioritizing cost-effectiveness and stability. Henan Kaijie's uniform pricing across three diameters suggests flexible production lines—diameter differences affect filtration precision rather than cost, so unified pricing simplifies inventory management.

Practical Recommendations

For Buyers - Current prices are at a yearly low. If Q3 orders stabilize, consider signing quarterly framework agreements to lock prices, avoiding year-end supply tightness due to environmental production restrictions. - With zero price difference between 30mm and 50mm diameters, choose coarser specifications based on actual filtration needs to reduce clogging frequency and replacement costs. - Monitor polyester staple fiber futures; if raw material prices fall below 7,000 RMB/ton, request activation of price adjustment clauses.

For Factories - Utilize the current price stability to optimize production scheduling, prioritizing high-margin custom orders (e.g., modified or antimicrobial fiber balls). - Sign long-term procurement contracts with upstream polyester staple fiber suppliers, staggering price locks to reduce raw material volatility risk. - Expand direct sales channels to water treatment engineering companies, reducing intermediary layers and aiming to maintain ex-factory prices in the 15,500-16,000 RMB/ton range.