Spot prices for polyester staple fiber in the East China market continued to climb this week, with the average price increasing. The East China market's average price reached 6,413 yuan per ton this week, up 148 yuan per ton from last week's average, representing a 2.36% increase.

This week, polyester staple fiber prices in the East China market continued their upward trajectory. Analysis of driving factors: On the cost front, increased unplanned maintenance at raw material plants supported rising prices for primary raw material PTA and secondary raw material ethylene glycol, with stronger costs bolstering the polyester staple fiber market. On the supply side, polyester staple fiber operating rates remained stable, ensuring ample supply. On the demand side, downstream buyers remained cautious about chasing higher prices and held some raw material inventories, resulting in subdued procurement demand. Market transactions were primarily focused on spot-futures arbitrage purchases.

Looking ahead, the main raw material PTA may see slight increases, while ethylene glycol is expected to fluctuate at lower levels. The interplay between relatively firm polymerization costs and a weakening supply-demand structure for staple fiber suggests polyester staple fiber prices may face limited upward momentum.

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