| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 890.42 | USD | 20251210 |
| CNPC | China national standards | MT | 734.95 | USD | 20251210 |
| Sinopec | China national standards | MT | 756.15 | USD | 20251210 |
| Sinopec | China national standards | MT | 819.75 | USD | 20251210 |
| Wuhan Hengjiu Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Sinopec | China national standards | MT | 763.22 | USD | 20251210 |
| Sinopec | China national standards | MT | 742.02 | USD | 20251210 |
| Sinopec | China national standards | MT | 755.94 | USD | 20251209 |
| Suzhou ChemMat | China national standards | MT | 774.31 | USD | 20251209 |
| Sinopec | China national standards | MT | 763.0 | USD | 20251209 |