| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 917.24 | USD | 20251113 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 917.65 | USD | 20251112 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 917.61 | USD | 20251107 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 917.24 | USD | 20251106 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 916.77 | USD | 20251105 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 916.98 | USD | 20251104 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 917.21 | USD | 20251103 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 945.26 | USD | 20251031 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 945.47 | USD | 20251030 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 945.75 | USD | 20251029 |