| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 846.66 | USD | 20251103 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 846.5 | USD | 20251101 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 846.5 | USD | 20251031 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 846.69 | USD | 20251030 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 846.79 | USD | 20251028 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 846.49 | USD | 20251027 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 845.93 | USD | 20251026 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 845.93 | USD | 20251025 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 845.93 | USD | 20251024 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |