| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 607.13 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 628.31 | USD | 20251114 |
| Beijing Yanshan Petro | China national standards | MT | 635.37 | USD | 20251114 |
| Sinopec | China national standards | MT | 635.37 | USD | 20251114 |
| Sinopec | China national standards | MT | 614.19 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 508.3 | USD | 20251114 |
| Shandong Aite Chem | China national standards | MT | 494.18 | USD | 20251114 |
| Shandong Junfeng | China national standards | MT | 621.25 | USD | 20251114 |
| Shandong Fusheng | China national standards | MT | 508.3 | USD | 20251114 |
| Shandong Fusheng | China national standards | MT | 508.3 | USD | 20251114 |