| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 1479.44 | USD | 20251020 |
| Nanjing Baitu Chem | China national standards | MT | 1479.94 | USD | 20251017 |
| Nanjing Baitu Chem | China national standards | MT | 1477.87 | USD | 20251011 |
| Nanjing Baitu Chem | China national standards | MT | 1477.87 | USD | 20251011 |
| Nanjing Baitu Chem | China national standards | MT | 1477.87 | USD | 20251010 |
| Nanjing Baitu Chem | China national standards | MT | 1477.87 | USD | 20251010 |
| Nanjing Baitu Chem | China national standards | MT | 1476.75 | USD | 20251009 |
| Nanjing Baitu Chem | China national standards | MT | 1476.75 | USD | 20251009 |
| Nanjing Baitu Chem | China national standards | MT | 1476.21 | USD | 20250919 |
| Nanjing Baitu Chem | China national standards | MT | 1476.21 | USD | 20250919 |