The polyester filament yarn market has hit a new turbulence. On July 3, 2026, Rongsheng Petrochemical (including Shengyuan Petrochemical), a core industry supplier, announced price cuts of 100-200 yuan/ton for various polyester DTY specifications. This move is not an isolated event but a concentrated reflection of the current weak supply-demand landscape.
Event Background
Specifically, the adjusted price list shows: 75/36 low-stretch DTY at 10,050 yuan/ton, 100/96 light-net at 9,900 yuan/ton, 120D/192F micro-net at 9,550 yuan/ton, 150/48 low-stretch at 9,150 yuan/ton, 150/96 low-stretch at 9,100 yuan/ton, and 300/96 low-stretch, light-net, and heavy-net at 8,900, 8,900, and 9,250 yuan/ton respectively. Although the reduction is partial, it covers mainstream specifications from fine to coarse denier, sending a clear signal.
The industry's multi-factor scoring system gave a -1 rating, directly indicating increased spot pressure. Behind this is the reality of weak end-user orders: downstream weaving mills show low purchasing enthusiasm, inventory digestion slows, forcing polyester filament producers to cut prices to stimulate sales.
Industry Impact
The ripple effect extends beyond polyester filament. As a sentiment barometer for the polyester sector, Rongsheng's move quickly transmitted to the polyester staple fiber market. On July 2, 2026, the main PSF contract (2609) on Zhengzhou Commodity Exchange fell by 136 yuan/ton, with short positions rising significantly, lowering the multi-factor score to -0.5. This suggests the market's short-term outlook for the entire polyester chain has turned pessimistic.
This sentiment transmission has industrial logic: polyester filament and staple fiber share upstream raw materials (such as PTA and MEG), and their downstream applications overlap (e.g., apparel, home textiles). When filament prices loosen, staple fiber buyers anticipate lower procurement costs, delaying orders and exacerbating spot pressure.
For buyers, the current market is clearly a buyer's market. Polyester DTY prices across specifications are near year-to-date lows, but downside risks haven't been eliminated. If end-user demand doesn't improve substantially in the next two weeks, other polyester mills may follow suit, triggering a price war.
Practical Recommendations
For Buyers - Procure on a need-to-order basis to avoid inventory buildup. Prices may still have room to fall; wait for clearer bottom signals, such as joint production cuts by polyester mills or a concentrated release of end-user orders. - Monitor futures market dynamics. Changes in short positions for the main PSF contract serve as sentiment indicators; persistent increases suggest further spot price pressure. - Negotiate floating price agreements with suppliers, locking in current low prices while retaining compensation clauses for further price declines.
For Foreign Trade Companies - Build price adjustment buffers into export quotes. Overseas clients are highly price-sensitive; update quotes weekly to avoid margin erosion from domestic price drops. - Leverage current low domestic prices to negotiate long-term contracts with overseas buyers, trading volume for price stability over the next 3-6 months. - Watch for RMB exchange rate fluctuations. In a polyester price downturn, currency appreciation further compresses export margins; use forward settlement tools to hedge.
Overall, Rongsheng's price adjustment is a microcosm of market supply-demand imbalance. Short-term polyester prices remain under pressure, but in the long run, lower prices will accelerate the exit of inefficient capacity, building momentum for a rebound once demand recovers. Buyers and foreign trade firms must balance caution with opportunity.