| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chem | China national standards | MT | 591.07 | USD | 20250923 |
| Jinan Pulaihua Chem | China national standards | MT | 562.93 | USD | 20250923 |
| CNPC | China national standards | MT | 562.93 | USD | 20250923 |
| Sinopec | China national standards | MT | 562.93 | USD | 20250923 |
| Shandong Hualu | Polyester Resin Grade | MT | 541.82 | USD | 20250923 |
| Jinan Dezheng Chem | China national standards | MT | 541.82 | USD | 20250923 |
| Yangmei Shouyang Chem | Polyester Resin Grade | MT | 619.22 | USD | 20250923 |
| Lihuayi Weiyuan Chem | China national standards | MT | 534.78 | USD | 20250923 |
| Shandong Aite Chem | China national standards | MT | 492.56 | USD | 20250923 |
| Beijing Yanshan Petro | China national standards | MT | 599.52 | USD | 20250923 |