In October 2025, the price trend of polyester filament will first decrease and then increase, showing a steady adjustment trend. As of October 30th, the mainstream polyester filament factories in Jiangsu and Zhejiang have quoted POY (150D/48F) at 6400-6700 yuan/ton, polyester DTY (150D/48F low elasticity) at 7750-8000 yuan/ton, and polyester FDY (150D/96F) at 6500-6800 yuan/ton.
| Gamma-PGA (gamma polyglutamic acid) |
price trend
Downward trend in the first ten days: After the National Day and Mid Autumn Festival holidays, the polyester filament market experienced sluggish trading, and production enterprises quickly accumulated inventory. As of October 9th, the average inventory of polyester filament sample enterprises reached 22 days, an increase of 4 days from before the holiday. From October 13th to 17th, the overall market showed a weak downward trend, with the price center of gravity shifting downwards. On October 20th, the prices of polyester POY, FDY, and DTY all experienced varying degrees of decline. The price of polyester POY was 6750 yuan, with a daily increase and decrease of -2.61%. The price of polyester FDY was 6826.67 yuan, with a daily increase and decrease of -2.52%. The price of polyester DTY was 7931.25 yuan, with a daily increase and decrease of -1.86%.
Mid month stabilization and rebound: On October 23rd, due to the rise in international oil prices and the improvement of the textile market, some polyester factories reduced their discounts on polyester filament or raised their prices by 50-100 yuan/ton. On October 24th, Rongsheng Petrochemical partially increased DTY by 50-100, POY and FDY both increased by 50, and some FDY increased by 100.
Shock finishing in the last ten days: On October 30, the overall shock finishing of polyester filament was carried out, with scattered small batch transactions in the majority and stable price adjustment. The mainstream quotation of POY150D/48F was 6450-6500 yuan/ton of cash, and the mainstream quotation of DTY150D/48F was 7750-7850 yuan/ton of cash. The price of FDY was increased due to losses, mainly reflected in the fine wires.
market analysis
Cost factor: From October 22nd to 23rd, international oil prices significantly rebounded, leading to an increase in polymerization costs, which compressed the profit margins of polyester filament production enterprises and significantly increased their willingness to raise prices, providing support for polyester filament prices.
Supply and demand relationship: In terms of supply, the industry had high inventory in the early stage. As of October 17th, the weaving factory’s raw fabric inventory was significantly higher than the same period last year, making it difficult for the trading volume of polyester filament to continue to rise. In terms of demand, the recovery of demand during the peak season of “Golden September and Silver October” in the early stage was weak, and downstream weaving enterprises were cautious in procurement, mainly focusing on replenishing inventory for essential needs. But in late October, the arrival of cold air caused the demand for winter fabrics to begin to pick up. On October 21st, the average production and sales rate of polyester filament sample enterprises soared to 367.9%, and by the end of the 27th, the average production and sales rate of sample enterprises also reached 218%. The boost in demand has played a certain role in supporting prices.
Market mentality: With the improvement of the market situation, polyester manufacturers have adjusted their quotations in order to seize market share. The market mentality has improved, and some enterprises have increased their willingness to raise prices. However, due to the overall high inventory, there is still a cautious wait-and-see attitude downstream
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