| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 797.39 | USD | 20251028 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 796.58 | USD | 20251024 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 803.75 | USD | 20251023 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 803.34 | USD | 20251022 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 803.12 | USD | 20251020 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 816.82 | USD | 20251013 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 816.35 | USD | 20251010 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 780.57 | USD | 20251009 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 781.09 | USD | 20250930 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 780.02 | USD | 20250926 |