| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1171.91 | USD | 20251015 |
| Shandong Langchem | China national standards | MT | 1171.91 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 1126.84 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 1126.84 | USD | 20251015 |
| Shandong Xima | China national standards | MT | 845.13 | USD | 20251015 |
| Jinan Xinhou | China national standards | MT | 1154.59 | USD | 20251014 |
| Jinan Dezheng Chem | China national standards | MT | 1605.16 | USD | 20251014 |
| Jinan Dezheng Chem | China national standards | MT | 1605.16 | USD | 20251014 |
| Jinan Dezheng Chem | China national standards | MT | 1605.16 | USD | 20251014 |
| Jinan Dezheng Chem | China national standards | MT | 1605.16 | USD | 20251014 |