Polyester Filament Sales Ratio Jumps 54 Points in a Day: What Pre-Holiday Discounting Signals

A 77.5% sales ratio might look unremarkable on an ordinary day. But when it jumps 54 percentage points from the previous trading session, procurement managers across the polyester chain sit up and take notice. Public industry data show that on September 24, the average sales ratio of sample polyester filament enterprises recovered to 77.5%, up sharply from a low base the day before. Such a violent one-day swing is rarely driven by a sudden surge in end demand; it is almost always the result of producers adjusting pricing strategy.

The Inventory Logic Behind Discounting

With the Mid-Autumn Festival approaching, polyester filament makers chose to concentrate their discounts on moving cargo. This reveals a clear signal: inventory pressure at the factory level has accumulated to a point where active release is necessary. The rapid lift in the sales ratio shows that downstream weaving enterprises did restock after prices softened, but this restocking is largely holiday-driven, mandatory replenishment rather than order-driven, trend-based recovery.

The distribution of sales ratios among sample enterprises is extremely uneven. Some producers reported ratios as high as 240%, 180%, or 150%, while others languished at 0% or in the 20% range. This divergence means that producers offering deeper discounts and carrying heavier inventory absorbed the bulk of the day's transactions, while those holding firm on quotes were largely ignored. For buyers, the current price window is far from uniform: choosing the right supplier matters more than choosing the right timing.

The expectation that discount room would widen further late in the session deserves attention. Producers continuing to deepen discounts before the holiday shows they prioritize cash recovery and inventory reduction over protecting margins. Under this mindset, whether prices stabilize after the holiday depends on how much raw material downstream actually consumed during the break and how willing weaving mills are to restock once they resume operations.

Upstream-Downstream Transmission and Industrial Belt Reaction

Polyester filament is a core raw material for weaving, and its price and sales fluctuations quickly transmit to major textile belts such as Keqiao, Shengze, and Nantong. Pre-holiday discounting is a short-term positive for fabric mills looking to lower raw material costs, but it can also suppress grey fabric prices, because a cost decline removes support from fabric quotes.

For weaving enterprises in Shengze and Keqiao, the key judgment is whether this round of discounting is a short-term promotion or the start of a trend-based price decline. If the sales ratio cannot stay above 70% after the holiday, producers will likely continue cutting prices to destock, and fabric mills' raw material inventories will face depreciation risk. Conversely, if post-holiday restocking is active, current low-priced raw materials become a cost advantage.

The impact on the export side is more indirect. Overseas buyers typically place orders quarterly, and pre-holiday discounts can hardly translate into immediate export order growth. However, lower raw material prices will reduce quotes for Chinese fabrics and garments, creating some appeal for price-sensitive markets in Southeast Asia and the Middle East. It is worth noting that if price cuts come alongside weak demand, overseas customers may also wait for even lower prices, delaying orders instead.

Practical Recommendations

For Buyers - The pre-holiday discount window suits locking in short-term, essential volumes, but large-scale stockpiling is unwise, as post-holiday prices may continue to slide and erode inventory value. - Prioritize negotiations with suppliers that have high sales ratios and deep discounts; these enterprises are eager to ship before the holiday and offer more bargaining room. - Watch the sales data in the first week after the holiday. If the ratio rebounds above 80%, it can be read as genuine demand recovery, justifying additional procurement.

For Factories - Weaving enterprises should control raw material inventory days, ideally keeping 7 to 10 days of safety stock to avoid post-holiday price swings eroding margins. - Fabric quotes should not immediately follow raw material declines. Observe post-holiday grey fabric transactions before deciding whether to adjust pricing strategy. - For factories under heavy inventory pressure, the pre-holiday discount offers a chance to moderately replenish low-priced raw materials, but downstream orders should be locked in simultaneously to avoid one-sided price speculation.

For Exporters - Moderate discounts for price-sensitive markets are acceptable, but exchange rates and shipping costs must be factored in, so raw material savings are not swallowed by logistics expenses. - Post-holiday quotes should carry a validity period, typically two weeks, to prevent continued raw material declines from inviting customer pressure for lower prices. - Closely monitor China-US tariff negotiation progress. If textile and apparel categories benefit, communicate stocking plans with overseas customers early to seize the order window.