| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 747.52 | USD | 20251105 |
| Nanjing Baitu Chem | China national standards | MT | 747.52 | USD | 20251105 |
| Nanjing Baitu Chem | China national standards | MT | 747.69 | USD | 20251104 |
| Nanjing Baitu Chem | China national standards | MT | 747.69 | USD | 20251104 |
| Nanjing Baitu Chem | China national standards | MT | 747.88 | USD | 20251103 |
| Nanjing Baitu Chem | China national standards | MT | 747.88 | USD | 20251103 |
| Nanjing Baitu Chem | China national standards | MT | 747.74 | USD | 20251031 |
| Nanjing Baitu Chem | China national standards | MT | 747.74 | USD | 20251031 |
| Nanjing Baitu Chem | China national standards | MT | 748.13 | USD | 20251029 |
| Nanjing Baitu Chem | China national standards | MT | 748.13 | USD | 20251029 |