| Vendor | Spec | Unit | Price | Currency | Date |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 118.53 | USD | 20251111 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 118.55 | USD | 20251110 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 105.78 | USD | 20251105 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 105.81 | USD | 20251104 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 105.83 | USD | 20251103 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 100.19 | USD | 20251030 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 100.22 | USD | 20251029 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 94.56 | USD | 20251028 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 94.52 | USD | 20251027 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 94.46 | USD | 20251024 |