The polyester filament market experienced a cost-driven price uptick in mid-July, but sales-to-production data reveals a more complex picture: not all enterprises are benefiting equally.
Cost Push Meets Divergent Sales
Industry data from July 14 shows that the average sales-to-production ratio among sample enterprises was only 67%, up 13 percentage points from the previous trading day, but with wide dispersion—ranging from 300% at the high end to 35% at the low end. Such divergence is unusual in chemical fiber trading, where cost increases typically drive broad-based recovery.
Rising polymerization costs were the main driver behind the price uptrend. Strengthening upstream raw material prices directly increased production costs for polyester filament, prompting some mills to raise offers. However, downstream response was not uniformly bullish. About 60% of sample enterprises reported ratios below 70%, indicating that most weaving and texturing mills are taking a wait-and-see approach, with price resistance building.
Shifting Downstream Procurement Strategies
Looking at the distribution of sales-to-production ratios, only a minority of enterprises exceeded 100%, while a similar proportion fell below 50%. This 'small at both ends, large in the middle' pattern suggests downstream procurement is shifting from concentrated restocking to just-in-time purchasing. Larger weaving mills may have already built inventories, leaving them less responsive to current price hikes; smaller factories, constrained by cash flow and order uncertainty, prefer spot buying.
Notably, late trading yesterday saw localized ratios spike near 300%, typically signaling concentrated bulk transactions—possibly from traders or large weaving mills making phased replenishments. But such pulse buying is unsustainable, as the next day's data returned to 67%, indicating a lack of consensus for sustained bullishness.
Impact on the Supply Chain
As an intermediate product, polyester filament price fluctuations directly affect the cost structure of downstream greige fabrics and finished textiles. If cost increases persist without a synchronized recovery in end-use garment orders, profit margins in the weaving segment will come under pressure. The textile industry is currently in its traditional off-season, with no significant uptick in domestic or export orders, limiting downstream tolerance for raw material price hikes.
From a regional perspective, weaving operating rates in key polyester filament consumption hubs like Shengze, Changxing, and Xiaoshan have remained stable recently, but new orders are predominantly short-cycle and small-volume, lacking large contract support. This means even with upstream cost pressure, downstream mills are unlikely to accept significant price increases in the near term.
Near-Term Outlook
In summary, the polyester filament market will likely remain in a tug-of-war between cost support and demand resistance in the near term. If polymerization costs continue to rise, some mills may be forced to hike prices further, but sales divergence could intensify. For buyers, this is not an opportune time to chase prices; instead, they should monitor cost sustainability and marginal changes in end-demand.