| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1109.09 | USD | 20251127 |
| Shandong Yuanhe Chem | China national standards | MT | 1073.51 | USD | 20251126 |
| Shandong Hualu | China national standards | MT | 946.38 | USD | 20251126 |
| Shandong Langchem | China national standards | MT | 1080.57 | USD | 20251126 |
| Liaocheng Yuanze Chem | China national standards | MT | 875.76 | USD | 20251126 |
| Shandong Langchem | China national standards | MT | 1285.38 | USD | 20251126 |
| Shandong Langchem | China national standards | MT | 1101.76 | USD | 20251126 |
| Shandong Langchem | China national standards | MT | 1257.13 | USD | 20251126 |
| Shandong Shuojia Chem | China national standards | MT | 889.88 | USD | 20251126 |
| Shandong Langchem | China national standards | MT | 1108.82 | USD | 20251126 |