| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 632.66 | USD | 20250920 |
| Sinopec | China national standards | MT | 632.66 | USD | 20250920 |
| Sinopec | China national standards | MT | 611.57 | USD | 20250920 |
| Shandong Langchem | China national standards | MT | 506.13 | USD | 20250920 |
| Shandong Jinwen Chem | China national standards | MT | 506.13 | USD | 20250920 |
| Shandong Qiangsen Chem | China national standards | MT | 506.13 | USD | 20250920 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 674.84 | USD | 20250920 |
| Suzhou ChemMat | Polyester Grade | MT | 645.32 | USD | 20250919 |
| Hualu Holdings | China national standards | MT | 674.84 | USD | 20250919 |
| Shandong Huize Chem | Polyester Resin Grade | MT | 604.54 | USD | 20250919 |