When processing margins are squeezed to the point of industry-wide losses, major polyester staple fiber (PSF) players chose to proactively hit the pause button on supply rather than passively wait for demand to recover. On August 15, leading domestic producers jointly introduced a self-discipline plan, explicitly postponing new capacity commissioning and restarting of existing units, while intensifying production cuts. This rare industry collaboration not only affects PSF's own price curve but will also transmit along the supply chain to yarn, weaving, and fabric terminals.
Supply-Demand Imbalance Behind Production Cuts
The direct trigger is the persistent mismatch between supply and demand. Industry data shows that in July, PSF operating rates had risen to 70.36%, with ample spot supply, while downstream demand remained weak. Terminal textile orders saw limited growth, yarn mills' finished goods inventories stayed high, and procurement remained mostly just-in-time with low willingness to build stocks. With supply rising and demand falling, processing margins were squeezed, and industry losses widened. In this context, production cuts became the only realistic option for loss mitigation.
Notably, this round of cuts is proactive market adjustment rather than passive shutdowns due to equipment failures. By late August, some factories had already reduced loads, with September set to see concentrated implementation and maintenance cycles. Leading enterprises in Jiangsu, Zhejiang, and Fujian—core production regions—are all participating, covering mainstream direct-spinning capacity. The industry has formally entered a cycle of cutting production to protect profits. If the self-discipline plan is effectively implemented, operating rates could fall to around 67%, reducing monthly supply by approximately 30,000 tons, thereby easing the spot market surplus.
Short-Term Cost Support and Long-Term Concerns
Amid supply contraction, upstream feedstock markets show a divergent but firm pattern, providing phased cost support. For PTA, two core units delayed restarts, and port operations in East China were disrupted by rainfall, tightening spot supply and pushing basis toward 300 yuan/ton, with August social inventories likely hitting a 44-month low. Ethylene glycol also remained strong due to Middle East tensions and strait navigation disruptions, cutting import arrivals, while domestic unit maintenance kept operating rates low. East China port inventories fell to a 15-year low, with spot premiums reaching 540 yuan/ton in early August.
However, this cost support is unlikely to last. Later, both PTA and ethylene glycol have maintenance units scheduled to restart, increasing feedstock supply and weakening cost-side support. In other words, the low-inventory dividend PSF producers currently enjoy may be a brief respite. Once feedstock supply normalizes, the pulling effect on prices will weaken, and whether production cuts alone can support the market will become the true test.
Transmission Effects: The Mirror of Keqiao Market
As a core hub for fabric trading, the Keqiao Light Textile City's transaction activity is a direct window into how production cuts transmit downstream. August is traditionally a off-season, with gray fabric transactions contracting, weavers and traders cautious, operating rates low, and purchasing on a need-only basis. PSF-related fabrics move in small, scattered orders, with only a few export orders following up. The market's ability to pass on raw material price increases is limited.
In the short term, supply contraction will provide bottom support. Tightening feedstock supply raises traders' procurement costs, directly limiting fabric price cuts and easing low-price competition to some extent. But without a clear improvement in orders, fabric price increases face significant resistance. If autumn/winter fabric orders release in September, weaving-end restocking demand could transmit upward, boosting PSF purchases. Yet as of now, the market remains in an expectation phase with no clear signals of order recovery.
Can Production Cuts Bring a Trend Reversal?
Based on information across the chain, this round of coordinated cuts can provide clear price support. From late August to early September, with cuts materializing and high feedstock basis, processing margins have room to recover, improving corporate losses. In mid-to-late September, the market will likely oscillate upward as it balances weakening costs and demand recovery expectations.
However, the effectiveness of output cuts faces uncertainties. First, execution is elastic—once prices rebound and margins improve, some cash-strapped enterprises may reduce cuts and restore loads. Second, new capacity is postponed, not canceled; if the industry turns profitable, shelved capacity will return. Finally, demand remains the core constraint. Without significant order improvement in September, supply contraction alone cannot sustain a strong rally.