| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.83 | USD | 20251028 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.83 | USD | 20251028 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.7 | USD | 20251027 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.47 | USD | 20251024 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.47 | USD | 20251024 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.52 | USD | 20251023 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.52 | USD | 20251023 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.34 | USD | 20251022 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.34 | USD | 20251022 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.46 | USD | 20251021 |