China's PTA supply side is undergoing a clear contraction. A 1.2-million-ton PTA unit of Xinjiang Zhongtai has been shut down since July 1 and has not restarted for over half a month. The suspension of such a large-scale unit directly tightens spot market availability and provides solid support for near-term futures contracts.
Supply-Demand Imbalance: Strong Support for PTA Spot Prices
Based on industry open data, the shutdown of a 1.2-million-ton unit means a monthly output reduction of about 100,000 tons. Against the backdrop of already low social inventories, this reduction's impact on supply-demand balance cannot be ignored. Market sentiment reacted quickly, with PTA spot prices rising notably after the shutdown news, and open interest in near-term futures contracts increasing, indicating long capital is actively positioning.
The rise in PTA prices will systematically lift costs for the downstream polyester chain. Polyester staple fiber, POY, DTY, and FDY all use PTA as their core raw material. For every 100 yuan/ton increase in PTA, polyester product costs will rise by about 85-90 yuan/ton. With end-user demand yet to show significant recovery, cost-push price hikes will become the main logic for polyester product price increases.
Upstream PX Under Pressure: Profit Reallocation Within the Chain
The impact of PTA cuts is not one-directionally positive. As the core downstream consumer of PX, the PTA unit shutdown directly reduces PX procurement demand. If running at full capacity, this Xinjiang Zhongtai unit would consume about 70,000-80,000 tons of PX per month. The shutdown means this demand temporarily disappears, putting pressure on PX prices.
This implies a profit redistribution between PTA and PX. PTA processing spreads are likely to widen, while PX margins are squeezed. PX producers need to closely monitor the restart timeline of the PTA unit and whether other PTA units will follow with maintenance. If PTA cuts expand, PX prices may face greater downward pressure.
Polyester Chain Transmission: Cost Support vs. Weak Demand
Polyester filament and staple fiber producers face a dilemma: on one hand, rising PTA prices provide justification and room for price increases; on the other, downstream weaving and end-apparel orders have not improved synchronously.
- Polyester staple fiber: Cost support strengthens, but downstream yarn mills are cautious in purchasing, and the realization of price hikes remains to be seen.
- Polyester POY: As the most basic polyester filament variety, its price is most sensitive to raw material costs and is expected to reflect PTA gains first.
- Polyester DTY and FDY: Their processing margins are relatively thicker, but if PTA continues to rise, cost pressure will gradually transmit to product quotes.