| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Jinshuo Chem | China national standards | MT | 891.97 | USD | 20251211 |
| Zibo Jinshuo Chem | China national standards | MT | 891.13 | USD | 20251210 |
| Zibo Jinshuo Chem | China national standards | MT | 890.88 | USD | 20251209 |
| Zibo Jinshuo Chem | China national standards | MT | 890.99 | USD | 20251208 |
| Zibo Jinshuo Chem | China national standards | MT | 891.18 | USD | 20251205 |
| Zibo Jinshuo Chem | China national standards | MT | 891.12 | USD | 20251203 |
| Zibo Jinshuo Chem | China national standards | MT | 890.61 | USD | 20251202 |
| Zibo Jinshuo Chem | China national standards | MT | 891.05 | USD | 20251201 |
| Zibo Jinshuo Chem | China national standards | MT | 890.68 | USD | 20251128 |
| Zibo Jinshuo Chem | China national standards | MT | 890.8 | USD | 20251127 |