| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1107.43 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1128.59 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1128.88 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1107.71 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1114.76 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1114.76 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1100.65 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1114.56 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1114.56 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1107.51 | USD | 20251101 |