| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chem | China national standards | MT | 767.9 | USD | 20251020 |
| Jinan Dezheng Chem | China national standards | MT | 789.3 | USD | 20251018 |
| Jinan Dezheng Chem | China national standards | MT | 789.3 | USD | 20251017 |
| Jinan Dezheng Chem | China national standards | MT | 789.09 | USD | 20251016 |
| Jinan Dezheng Chem | China national standards | MT | 788.79 | USD | 20251015 |
| Jinan Dezheng Chem | China national standards | MT | 795.54 | USD | 20251014 |
| Jinan Dezheng Chem | China national standards | MT | 795.7 | USD | 20251013 |
| Jinan Dezheng Chem | China national standards | MT | 795.24 | USD | 20251011 |
| Jinan Dezheng Chem | China national standards | MT | 795.24 | USD | 20251010 |
| Jinan Dezheng Chem | China national standards | MT | 794.63 | USD | 20251009 |