| Vendor | Spec | Unit | Price | Currency | Date |
| Zaozhuang Yitai | China national standards | MT | 604.76 | USD | 20251009 |
| Lihuayi Weiyuan Chem | Polyester Resin Grade | MT | 555.54 | USD | 20251009 |
| Shanghai Guoke | China national standards | MT | 738.38 | USD | 20251009 |
| Jinan Angxin Chem | China national standards | MT | 618.83 | USD | 20251009 |
| Shandong Fusheng | China national standards | MT | 703.22 | USD | 20251009 |
| Shandong Fusheng | China national standards | MT | 703.22 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 506.31 | USD | 20251009 |
| Sinopec | China national standards | MT | 611.8 | USD | 20251009 |
| Sinopec | China national standards | MT | 632.89 | USD | 20251009 |
| Beijing Yanshan Petro | China national standards | MT | 632.89 | USD | 20251009 |