| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wonfull Petro | China national standards | MT | 801.67 | USD | 20251009 |
| Zibo Lishuo Chem | China national standards | MT | 815.73 | USD | 20251009 |
| Zibo Lishuo Chem | China national standards | MT | 815.73 | USD | 20251009 |
| Zibo Lishuo Chem | China national standards | MT | 815.73 | USD | 20251009 |
| Zibo Lishuo Chem | China national standards | MT | 815.73 | USD | 20251009 |
| Zibo Lishuo Chem | China national standards | MT | 815.73 | USD | 20251009 |
| Shandong Fusheng | China national standards | MT | 787.6 | USD | 20251009 |
| Shandong Xima | China national standards | MT | 703.22 | USD | 20251009 |
| Shandong Xima | China national standards | MT | 703.22 | USD | 20251009 |
| Shandong Langchem | China national standards | MT | 886.05 | USD | 20251009 |