| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Qixiang Chem | China national standards | MT | 846.66 | USD | 20251103 |
| Zibo Qixiang Chem | China national standards | MT | 761.85 | USD | 20251101 |
| Zibo Qixiang Chem | China national standards | MT | 846.5 | USD | 20251031 |
| Zibo Qixiang Chem | China national standards | MT | 846.69 | USD | 20251030 |
| Zibo Qixiang Chem | China national standards | MT | 846.94 | USD | 20251029 |
| Zibo Qixiang Chem | China national standards | MT | 719.9 | USD | 20251029 |
| Zibo Qixiang Chem | China national standards | MT | 790.48 | USD | 20251029 |
| Zibo Qixiang Chem | China national standards | MT | 726.83 | USD | 20251028 |
| Zibo Qixiang Chem | China national standards | MT | 726.83 | USD | 20251028 |
| Zibo Qixiang Chem | China national standards | MT | 846.79 | USD | 20251028 |