| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.68 | USD | 20251104 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.77 | USD | 20251103 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.71 | USD | 20251031 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.71 | USD | 20251031 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.89 | USD | 20251029 |
| 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 |