| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 353.03 | USD | 20251117 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.98 | USD | 20251114 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.98 | USD | 20251114 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.78 | USD | 20251113 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.78 | USD | 20251113 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.94 | USD | 20251112 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.83 | USD | 20251110 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.83 | USD | 20251110 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.93 | USD | 20251107 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.6 | USD | 20251105 |