| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 903.1 | USD | 20251103 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 902.93 | USD | 20251031 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 818.28 | USD | 20251031 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 818.71 | USD | 20251029 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 903.41 | USD | 20251029 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 903.24 | USD | 20251028 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 818.56 | USD | 20251028 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 902.92 | USD | 20251027 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 818.27 | USD | 20251027 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 817.73 | USD | 20251024 |