| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 1606.79 | USD | 20251017 |
| Jinan Dezheng Chem | China national standards | MT | 1606.79 | USD | 20251017 |
| Jinan Dezheng Chem | China national standards | MT | 1606.36 | USD | 20251016 |
| Jinan Dezheng Chem | China national standards | MT | 1606.36 | USD | 20251016 |
| Jinan Dezheng Chem | China national standards | MT | 1606.36 | USD | 20251016 |
| Jinan Dezheng Chem | China national standards | MT | 1606.36 | USD | 20251016 |
| Jinan Dezheng Chem | China national standards | MT | 1606.36 | USD | 20251016 |
| Jinan Dezheng Chem | China national standards | MT | 1606.36 | USD | 20251016 |
| Jinan Dezheng Chem | China national standards | MT | 1606.36 | USD | 20251016 |
| Jinan Dezheng Chem | China national standards | MT | 1605.75 | USD | 20251015 |