| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1254.09 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1394.99 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1394.46 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1253.61 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1260.65 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1211.35 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1210.91 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1260.19 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1253.15 | USD | 20251014 |
| Shandong Langchem | China national standards | MT | 1393.95 | USD | 20251014 |