| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 874.92 | USD | 20251030 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 875.01 | USD | 20251028 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 874.71 | USD | 20251027 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 874.13 | USD | 20251026 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 874.13 | USD | 20251025 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 874.13 | USD | 20251024 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 873.81 | USD | 20251022 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 915.84 | USD | 20251020 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 916.15 | USD | 20251019 |