Stable Fiber Ball Prices: Shifting Supply-Demand Dynamics in Water Treatment Filter Media

15,500 RMB per ton—this was the uniform price quoted by Henan Kaijie Water Treatment Co., Ltd. on August 29, 2026, for standard fiber balls across three diameters: 30mm, 40mm, and 50mm. The flat pricing is not surprising in itself, but a longer view reveals a delicate balance in the water treatment filter media industry, where concentrated capacity meets tightening downstream budgets. The stability of this quotation feels more like a cautious equilibrium than a sign of market strength.

Market Context

The quotation comes from Henan Kaijie, a water treatment materials supplier based in Zhengzhou, whose product line includes fiber balls and fiber bundles. Fiber balls are critical filter media in advanced water treatment, widely used in power generation, petrochemicals, municipal wastewater, and water reuse projects. Notably, this quotation shows no price difference across particle sizes—unusual in the past, when diameter variations typically commanded a 5-10% premium due to differences in production complexity and material consumption.

This uniform pricing could signal two things: a deliberate pricing strategy to simplify inventory management, or growing buyer acceptance of standardized products, where size-based premiums are no longer justified. Industry data shows that domestic fiber ball production grew about 6% year-on-year in H1 2026, while demand expanded only 4%, hinting at an emerging oversupply.

Industry Impact

Fiber balls are typical industrial consumables, and their price fluctuations are closely tied to the operating rates of downstream water treatment projects. With municipal wastewater upgrade projects nearing completion, new projects are mostly small-to-medium scale, limiting procurement volumes per project and weakening suppliers' bargaining power. Meanwhile, Henan province, as a major cluster for water treatment filter media, hosts dozens of manufacturers engaged in fierce homogenized competition, keeping the risk of price wars alive.

For buyers, the current 15,500 RMB/ton price sits at the midpoint of the past two years: in the same period of 2025, prices peaked at 16,800 RMB/ton before falling due to weak demand. The current stability suggests that fluctuations in raw material costs (mainly polyester chips) have not yet passed through, but if crude oil continues to rise, fiber ball producers may initiate price hikes by the end of Q3. Foreign trade enterprises should monitor exchange rates—if the RMB remains range-bound against the USD, export margins are acceptable, but freight rate uncertainty remains a key variable.

Practical Recommendations

For Buyers - For projects with a timeline exceeding three months, consider phased procurement to avoid locking in prices, hedging against potential raw material cost increases. - Request differentiated quotes for different particle sizes; a uniform price may mask cost differences, so verify quality parameters accordingly.

For Foreign Trade Companies - Monitor environmental policies in key production areas like Henan and Shandong; production restrictions could temporarily push prices up, so lock in capacity with factories in advance. - For overseas clients, emphasize the standardized nature of fiber balls and leverage uniform pricing to streamline quoting processes and improve transaction efficiency.