化工日报：终端需求改善，聚酯产业链反弹-20250926

Report Industry Investment Rating - PX/PTA/PF/PR are rated neutral in the short term and cautiously bearish in the medium term [5] Core Viewpoints - The terminal demand of the polyester industry chain has improved, leading to a rebound in the market. However, there are still various factors affecting the industry, including cost - side fluctuations, supply - demand imbalances in different segments, and uncertain future demand [1][2][3][4][5] Summary Based on Relevant Catalogs I. Price and Basis - Figures show TA and PX's main contract price, basis, and inter - period spread trends, as well as PTA's East China spot basis and short - fiber basis [10][11][16] II. Upstream Profits and Spreads - This section includes PX processing fee, PTA spot processing fee, South Korean xylene isomerization profit, and South Korean STDP selective disproportionation profit [18][21] III. International Spreads and Import - Export Profits - Covers toluene's US - Asia spread, toluene's South Korean FOB - Japanese naphtha CFR spread, and PTA export profit [26][28] IV. Upstream PX and PTA Startup - Presents the operating rates of PX and PTA in China, South Korea, and Taiwan [29][32][34] V. Social Inventory and Warehouse Receipts - Includes PTA's weekly social inventory, PX's monthly social inventory, and various warehouse receipt data of PTA, PX, and PF [37][40][46] VI. Downstream Polyester Load - Covers the production and sales of filaments and short - fibers, polyester load, and inventory days of filament factories, as well as the operating rates of weaving, texturing, and dyeing in Jiangsu and Zhejiang [50][52][61] VII. PF Detailed Data - Contains data on polyester staple fiber load, factory inventory days, physical and equity inventory, and the operating rates and profits of related yarns [73][79][87] VIII. PR Fundamental Detailed Data - Presents polyester bottle - chip load, factory inventory days, processing fees, export profits, and month - to - month spreads [91][95][102]