| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chem | China national standards | MT | 1481.38 | USD | 20251031 |
| Nanjing Baitu Chem | China national standards | MT | 1482.15 | USD | 20251029 |
| Nanjing Baitu Chem | China national standards | MT | 1481.88 | USD | 20251028 |
| Nanjing Baitu Chem | China national standards | MT | 1481.88 | USD | 20251028 |
| Nanjing Baitu Chem | China national standards | MT | 1481.36 | USD | 20251027 |
| Nanjing Baitu Chem | China national standards | MT | 1481.36 | USD | 20251027 |
| Nanjing Baitu Chem | China national standards | MT | 1480.37 | USD | 20251024 |
| Nanjing Baitu Chem | China national standards | MT | 1480.58 | USD | 20251023 |
| Nanjing Baitu Chem | China national standards | MT | 1479.83 | USD | 20251022 |
| Nanjing Baitu Chem | China national standards | MT | 1480.33 | USD | 20251021 |