15,500 yuan per ton, three specifications, one quote. On August 30, 2026, Henan Kaijie Water Treatment Co., Ltd. released its latest price for ordinary fiber balls, revealing a delicate balance in this niche segment during the transition between peak and off seasons. The identical pricing for diameters of 50mm, 40mm, and 30mm signals that the market's pricing logic has shifted from specification differences to cost anchoring.
Supply-Demand Dynamics Behind the Flat Price
The flat quote is not accidental. According to public industry data, raw material price fluctuations for polyester staple fiber have narrowed over the past three months, with polyester chip averaging around 6,500 yuan per ton, directly limiting the room for fiber ball producers to adjust prices. Meanwhile, the pace of water treatment project tenders has slowed, and demand from municipal and industrial sectors has not met expectations, discouraging midstream filter media manufacturers from raising prices.
Henan Kaijie's pricing strategy is representative: as a water treatment material supplier in central China, its price system often reflects the equilibrium point of the regional market. The 15,500 yuan per ton level covers current raw material and processing costs while leaving room for downstream customers to negotiate. This 'stability-first' stance indicates that enterprises are prioritizing long-term customer relationships over short-term order competition.
Cost Pass-Through Hindered, Margins Under Pressure
Notably, the polyester staple fiber used in fiber balls is closely linked to crude oil and PX chain price trends. Since 2026, international oil prices have fluctuated in the $70-80 per barrel range, compressing polyester processing spreads to near two-year lows. The inability to pass on upstream cost fluctuations downstream means fiber ball manufacturers' gross margins are narrowing.
For buyers, the current quote level is essentially at a cyclical bottom. If raw material prices rebound, filter media prices are likely to follow; conversely, if demand remains weak, manufacturers may reduce operating rates to maintain prices. Either way, the current quote offers a certain safety margin.
Ripple Effects Across Regional Industrial Clusters
As a central China hub for water treatment materials, Henan's pricing dynamics serve as a bellwether for neighboring provinces. Zhengzhou and its surroundings host dozens of fiber ball producers, accounting for about 20% of national capacity. Local pricing strategies often influence quotes from Hebei and Shandong.
Looking at the industrial chain, fiber balls sit between polyester staple fiber upstream and downstream users such as sewage treatment plants, power enterprises, and petrochemical projects. Currently, insufficient capital availability for downstream projects has led procurement to focus on small and medium batches, reinforcing manufacturers' willingness to hold prices. Over the next two months, fiber ball prices are expected to remain in a narrow range, with breakthroughs pending new demand-side policies.