| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Jinshuo Chem | China national standards | MT | 890.12 | USD | 20251112 |
| Zibo Jinshuo Chem | China national standards | MT | 890.08 | USD | 20251107 |
| Zibo Jinshuo Chem | China national standards | MT | 889.72 | USD | 20251106 |
| Zibo Jinshuo Chem | China national standards | MT | 889.27 | USD | 20251105 |
| Zibo Jinshuo Chem | China national standards | MT | 889.47 | USD | 20251104 |
| Zibo Jinshuo Chem | China national standards | MT | 889.69 | USD | 20251103 |
| Zibo Jinshuo Chem | China national standards | MT | 889.53 | USD | 20251031 |
| Zibo Jinshuo Chem | China national standards | MT | 889.73 | USD | 20251030 |
| Zibo Jinshuo Chem | China national standards | MT | 890.0 | USD | 20251029 |
| Zibo Jinshuo Chem | China national standards | MT | 889.52 | USD | 20251027 |