| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 776.88 | USD | 20251126 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 776.55 | USD | 20251125 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 775.69 | USD | 20251120 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 776.05 | USD | 20251119 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 776.22 | USD | 20251118 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 776.66 | USD | 20251117 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 776.56 | USD | 20251114 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 783.17 | USD | 20251111 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 804.45 | USD | 20251110 |