| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 846.6 | USD | 20251119 |
| Sanjiang Chem | China national standards | MT | 846.6 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 973.81 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 973.81 | USD | 20251118 |
| Sanjiang Chem | China national standards | MT | 847.27 | USD | 20251117 |
| Sinopec | China national standards | MT | 847.27 | USD | 20251117 |
| Sinopec | China national standards | MT | 847.27 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 974.36 | USD | 20251117 |
| Sinopec | China national standards | MT | 847.16 | USD | 20251114 |
| Shandong Hongyang Chem | China national standards | MT | 974.23 | USD | 20251114 |