| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 848.82 | USD | 20251211 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 848.02 | USD | 20251210 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 847.78 | USD | 20251209 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 847.89 | USD | 20251208 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 848.07 | USD | 20251205 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 848.26 | USD | 20251204 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 862.14 | USD | 20251203 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Zibo Jinshuo Chemical Co., Ltd. | China national standards | MT | 918.22 | USD | 20251128 |