The thermometer of the polyester filament market pointed to a subtle reading on August 28: the average sales-to-output ratio of sampled enterprises stood at 34.7%, up 5.3 percentage points from the previous trading day. The figure appears to be a recovery, yet it remains far below the industry-recognized boom-bust line—meaning that for every 100 tons of filament produced, more than 65 tons are sitting in warehouses rather than flowing to weaving workshops. More alarming is that behind the data lies not demand recovery but sporadic restocking at low prices, with downstream resistance to high prices unchanged.
Background
These figures come from daily tracking of production and sales in the chemical fiber industry, covering multiple links from polyester plants to traders. A 34.7% sales-to-output ratio, coupled with extreme divergence from 0% to 500% within the sample, paints a highly fragmented market picture: some enterprises barely move volume through low prices or long-term contracts, while others see near-zero transactions. The coexistence of 0% and 500% indicates that the market is not without transactions, but that trading is highly concentrated among a few price-cutting players, signaling a partial breakdown of the overall pricing mechanism.
This stalemate did not emerge overnight. Since mid-August, polyester filament prices have repeatedly fluctuated near the cost line. On the upstream side, raw material costs are supported by crude oil volatility, but downstream textile orders have entered a vacuum zone between traditional peak and off-season, with weaving enterprises maintaining low operating rates and only just-in-time purchasing of raw materials. A clear mismatch has emerged in psychological price anchors: upstream believes cost inversion is unsustainable, while downstream is convinced that ample supply will force price cuts.
Industry Impact
A sales-to-output ratio persistently below 40% implies that cash flow pressure on polyester plants has shifted from marginal to rigid. Public industry data show that maintenance shutdowns of polyester filament units increased in August, with some enterprises choosing to actively reduce loads rather than passively build inventory—effectively using supply contraction to hedge against weak demand. However, whether production cuts can truly support prices depends on whether they cover small and medium capacity. Currently, large plants are determined to hold prices, but small and medium plants are still quietly cutting prices due to capital pressure, leading to a divergence of stable nominal prices but falling actual transaction prices.
For downstream weaving and traders, the current situation is more a test of patience. The window for restocking at low prices appears open, but if upstream production cuts materialize, prices could rebound at any time. Conversely, if demand remains weak, inventory pressure will force upstream to make further concessions. This two-way uncertainty prevents buyers from stocking up heavily, forcing them to purchase based on orders, which further reduces market liquidity and forms a negative feedback loop.
Notably, the individual sample with a 500% ratio in the sales data often corresponds to large plants offering price concessions or promotional policies to core customers. This suggests that during the stalemate, leading enterprises are locking in quality customers through targeted discounts rather than blanket price cuts. This strategic concession is essentially pre-positioning for the next round of demand recovery, posing a potential threat to the customer stickiness of small and medium traders.