| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Jinshuo Chem | China national standards | MT | 607.52 | USD | 20251127 |
| Zibo Jinshuo Chem | China national standards | MT | 607.38 | USD | 20251126 |
| Zibo Jinshuo Chem | China national standards | MT | 621.24 | USD | 20251125 |
| Zibo Jinshuo Chem | China national standards | MT | 621.06 | USD | 20251124 |
| Zibo Jinshuo Chem | China national standards | MT | 620.55 | USD | 20251120 |
| Zibo Jinshuo Chem | China national standards | MT | 620.84 | USD | 20251119 |
| Zibo Jinshuo Chem | China national standards | MT | 621.33 | USD | 20251117 |
| Zibo Jinshuo Chem | China national standards | MT | 621.25 | USD | 20251114 |
| Zibo Jinshuo Chem | China national standards | MT | 613.84 | USD | 20251113 |
| Zibo Jinshuo Chem | China national standards | MT | 614.12 | USD | 20251112 |