| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Qixiang Chem | China national standards | MT | 2111.95 | USD | 20260413 |
| Zibo Qixiang Chem | China national standards | MT | 2112.04 | USD | 20260410 |
| Zibo Qixiang Chem | China national standards | MT | 2112.19 | USD | 20260409 |
| Zibo Qixiang Chem | China national standards | MT | 2111.24 | USD | 20260408 |
| Zibo Qixiang Chem | China national standards | MT | 2105.91 | USD | 20260407 |
| Zibo Qixiang Chem | China national standards | MT | USD | 20260403 | |
| Zibo Qixiang Chem | China national standards | MT | USD | 20260402 | |
| Zibo Qixiang Chem | China national standards | MT | USD | 20260401 | |
| Zibo Qixiang Chem | China national standards | MT | USD | 20260331 | |
| Zibo Qixiang Chem | China national standards | MT | USD | 20260330 |