| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1199.62 | USD | 20251118 |
| Shandong Jinwen Chem | China national standards | MT | 1200.29 | USD | 20251117 |
| Shandong Jinwen Chem | China national standards | MT | 1200.14 | USD | 20251115 |
| Shandong Jinwen Chem | China national standards | MT | 1200.14 | USD | 20251114 |
| Shandong Jinwen Chem | China national standards | MT | 1199.46 | USD | 20251113 |
| Shandong Jinwen Chem | China national standards | MT | 1200.01 | USD | 20251112 |
| Shandong Jinwen Chem | China national standards | MT | 1199.45 | USD | 20251111 |
| Shandong Jinwen Chem | China national standards | MT | 1199.62 | USD | 20251110 |
| Shandong Jinwen Chem | China national standards | MT | 1199.95 | USD | 20251107 |
| Shandong Jinwen Chem | China national standards | MT | 1199.46 | USD | 20251106 |