| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 632.45 | USD | 20250926 |
| Sinopec | China national standards | MT | 632.45 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 625.42 | USD | 20250926 |
| CNPC | China national standards | MT | 633.85 | USD | 20250926 |
| Shandong Jinwen Chem | China national standards | MT | 505.96 | USD | 20250926 |
| Jinan Dezheng Chem | China national standards | MT | 541.1 | USD | 20250926 |
| Shandong Hualu | Polyester Resin Grade | MT | 541.1 | USD | 20250926 |
| Hualu Holdings | China national standards | MT | 674.61 | USD | 20250926 |
| Hualu Holdings | China national standards | MT | 674.61 | USD | 20250926 |
| Yangmei Shouyang Chem | Polyester Resin Grade | MT | 618.39 | USD | 20250926 |