| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 353.24 | USD | 20251209 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 353.34 | USD | 20251203 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 353.14 | USD | 20251202 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 353.31 | USD | 20251201 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 353.13 | USD | 20251126 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 353.13 | USD | 20251126 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.98 | USD | 20251125 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.98 | USD | 20251125 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.83 | USD | 20251118 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.83 | USD | 20251118 |