| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1069.37 | USD | 20251216 |
| Shandong Langchem | China national standards | MT | 977.31 | USD | 20251216 |
| Shandong Langchem | China national standards | MT | 976.15 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1068.1 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1068.1 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 976.15 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1259.09 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1067.09 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1257.9 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 975.22 | USD | 20251210 |