| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 974.23 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 1066.01 | USD | 20251114 |
| Shandong Langchem | China national standards | MT | 1065.41 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 973.68 | USD | 20251113 |
| Shandong Langchem | China national standards | MT | 974.12 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1065.89 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 973.67 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 1065.39 | USD | 20251111 |
| Shandong Langchem | China national standards | MT | 1256.07 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1065.54 | USD | 20251110 |