| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1086.33 | USD | 20251027 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1085.61 | USD | 20251024 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1085.76 | USD | 20251023 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1085.21 | USD | 20251022 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1085.58 | USD | 20251021 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1084.92 | USD | 20251020 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1085.29 | USD | 20251017 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1083.77 | USD | 20251011 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1083.77 | USD | 20251010 |