| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 985.25 | USD | 20251010 |
| Shandong Jinwen Chem | China national standards | MT | 1210.45 | USD | 20251010 |
| Shandong Yihe Chem | China national standards | MT | 1055.62 | USD | 20251010 |
| Shandong Yihe Chem | China national standards | MT | 943.02 | USD | 20251010 |
| Wanhua Chem | China national standards | MT | 1337.12 | USD | 20251010 |
| Shandong Langchem | China national standards | MT | 1171.04 | USD | 20251010 |
| Shandong Langchem | China national standards | MT | 1196.37 | USD | 20251010 |
| Shandong Langchem | China national standards | MT | 1175.26 | USD | 20251010 |
| Shandong Langchem | China national standards | MT | 1210.45 | USD | 20251010 |
| Shandong Langchem | China national standards | MT | 1210.45 | USD | 20251010 |