| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Jinshuo Chem | China national standards | MT | 890.59 | USD | 20251126 |
| Zibo Jinshuo Chem | China national standards | MT | 890.21 | USD | 20251125 |
| Zibo Jinshuo Chem | China national standards | MT | 889.95 | USD | 20251124 |
| Zibo Jinshuo Chem | China national standards | MT | 889.59 | USD | 20251121 |
| Zibo Jinshuo Chem | China national standards | MT | 889.22 | USD | 20251120 |
| Zibo Jinshuo Chem | China national standards | MT | 889.63 | USD | 20251119 |
| Zibo Jinshuo Chem | China national standards | MT | 889.83 | USD | 20251118 |
| Zibo Jinshuo Chem | China national standards | MT | 890.34 | USD | 20251117 |
| Zibo Jinshuo Chem | China national standards | MT | 890.22 | USD | 20251114 |
| Zibo Jinshuo Chem | China national standards | MT | 889.72 | USD | 20251113 |