| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 613.12 | USD | 20251017 |
| Shandong Langchem | China national standards | MT | 507.41 | USD | 20251017 |
| Shandong Aite Chem | China national standards | MT | 493.31 | USD | 20251017 |
| Baozhen Shandong Chem | Polyester Grade | MT | 676.54 | USD | 20251017 |
| Beijing Yanshan Petro | China national standards | MT | 521.5 | USD | 20251017 |
| Beijing Yanshan Petro | China national standards | MT | 521.5 | USD | 20251017 |
| Lihuayi Weiyuan Chem | China national standards | MT | 521.5 | USD | 20251017 |
| Lihuayi Weiyuan Chem | China national standards | MT | 521.5 | USD | 20251017 |
| Shandong Fusheng | China national standards | MT | 704.73 | USD | 20251017 |
| Shandong Fusheng | China national standards | MT | 563.79 | USD | 20251017 |