| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Qixiang Chem | China national standards | MT | 846.6 | USD | 20251119 |
| Zibo Qixiang Chem | China national standards | MT | 846.79 | USD | 20251118 |
| Zibo Qixiang Chem | China national standards | MT | 762.54 | USD | 20251117 |
| Zibo Qixiang Chem | China national standards | MT | 776.66 | USD | 20251117 |
| Zibo Qixiang Chem | China national standards | MT | 776.66 | USD | 20251117 |
| Zibo Qixiang Chem | China national standards | MT | 847.27 | USD | 20251117 |
| Zibo Qixiang Chem | China national standards | MT | 705.97 | USD | 20251115 |
| Zibo Qixiang Chem | China national standards | MT | 847.16 | USD | 20251114 |
| Zibo Qixiang Chem | China national standards | MT | 705.97 | USD | 20251114 |
| Zibo Qixiang Chem | China national standards | MT | 762.01 | USD | 20251113 |