| Vendor | Spec | Unit | Price | Currency | Date |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 132.85 | USD | 20251201 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 132.78 | USD | 20251126 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 132.68 | USD | 20251124 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 132.63 | USD | 20251121 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 132.57 | USD | 20251120 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 132.63 | USD | 20251119 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 132.66 | USD | 20251118 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 125.68 | USD | 20251117 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 125.66 | USD | 20251114 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 118.59 | USD | 20251112 |