| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 865.61 | USD | 20251011 |
| Sanjiang Chem | China national standards | MT | 865.61 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 971.17 | USD | 20251011 |
| Shandong Hongyang Chem | China national standards | MT | 971.17 | USD | 20251010 |
| Sinopec | China national standards | MT | 886.05 | USD | 20251009 |
| Sinopec | China national standards | MT | 886.05 | USD | 20251009 |
| Sanjiang Chem | China national standards | MT | 886.05 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 970.44 | USD | 20251009 |
| Sinopec | China national standards | MT | 886.64 | USD | 20250930 |
| Sinopec | China national standards | MT | 886.64 | USD | 20250930 |