Polyester FDY Price Divergence: Structural Game Under Inventory Pressure

On June 26, a set of contrasting data emerged from the polyester FDY price list: for the same specification 150D/96F semi-dull product, Rongsheng Petrochemical quoted 8,500 yuan/ton, while Zhejiang Tiansheng Chemical Fiber posted 8,710 yuan/ton, a gap of 210 yuan. Tongkun Group topped the list at 8,750 yuan/ton, a 250 yuan difference from the lowest quote. This is not random fluctuation but a structural divergence in pricing strategies under high inventory pressure.

Industrial Logic Behind Price Divergence

Looking at the distribution, companies in Xiaoshan, Shaoxing, and Hangzhou show clear gradients. Rongsheng Petrochemical, Zhejiang Juxing Chemical Fiber, and Zhejiang Jiabao New Fiber cluster around 8,500-8,510 yuan/ton, while Tiansheng, Kaisi Group, and Tongkun stand at 8,600-8,750 yuan/ton. This divergence is not due to quality differences—all quotes are for AA-grade products with identical specifications.

The key variable is each company's inventory turnover and raw material cost control. Rongsheng, with its upstream PTA integration, enjoys lower costs when PTA prices weaken, allowing it to offer discounts. Tongkun, despite similar integration, has larger polyester filament capacity, and its high quote may be a strategic probe of downstream bargaining power rather than a sign of strength.

Upstream-Downstream Transmission

Polyester FDY's direct raw materials are PTA and MEG. Current PTA social inventories are at historical highs, with processing margins compressed below 300 yuan/ton, meaning PTA producers are near breakeven. If PTA prices fall further, FDY cost support will collapse, potentially lowering the price range by 200-300 yuan.

Downstream weaving is more telling. Water-jet loom operating rates in Jiangsu-Zhejiang dropped from 75% in May to 68% in mid-June, with greige fabric inventories exceeding 30 days. End apparel brands are cautious, adopting small-batch, frequent ordering, dampening trader stocking appetite. This weak demand makes any price hike attempt difficult.

Regional Capacity and Pricing Power

The geographic distribution highlights capacity concentration. In Zhejiang, Hangzhou, Shaoxing, and Jiaxing account for over 60% of national FDY capacity. But pricing power varies. Head players like Rongsheng and Tongkun, with integrated chains, have greater flexibility; mid-sized firms like Tiansheng and Jiabao are more market-following and sensitive.

Notably, the 8,500 yuan/ton level is close to some firms' full cost. If PTA stays low and demand doesn't recover before the traditional Q3 peak season, a cycle of 'cost inversion—production cuts—price rebound' may occur. Historical data shows that when FDY prices fall below 8,400 yuan/ton, maintenance shutdowns in Zhejiang increase significantly.

Practical Recommendations

For Buyers - Seize structural opportunities by signing short-term framework agreements with low-price suppliers like Rongsheng and Jiabao to lock in prices near 8,500 yuan/ton. - Avoid heavy stockpiling above 8,750 yuan/ton; monitor inventory days of high-price suppliers like Tongkun—if over 20 days, price corrections are likely. - Increase procurement before Q3 peak season but set a stop-loss: if PTA falls below 5,000 yuan/ton, suspend long-term contracts and switch to spot purchases.

For Exporters - Factor in RMB exchange rate volatility and export tax rebate risks. Current FDY rebate rate is 13%; any policy tightening will compress margins. - For Southeast Asian markets, use FOB or CIF terms to avoid domestic logistics costs. Prioritize Shaoxing or Ningbo ports for lower freight. - Monitor anti-dumping actions in India and Turkey. In 2025, India's anti-dumping duty on Chinese polyester filament reached 15-25%; pre-position transshipment routes via Vietnam or Cambodia.