| Vendor | Spec | Unit | Price | Currency | Date |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 148.54 | USD | 20251211 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 148.4 | USD | 20251210 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 145.54 | USD | 20251209 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 145.55 | USD | 20251208 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 145.59 | USD | 20251205 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 145.62 | USD | 20251204 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 145.57 | USD | 20251203 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 145.49 | USD | 20251202 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 145.56 | USD | 20251201 |
| Heze Jiangyuan Chemical Co., Ltd. | China national standards | MT | 145.56 | USD | 20251201 |