| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 818.38 | USD | 20251119 |
| Zibo Lishuo Chem | China national standards | MT | 819.02 | USD | 20251117 |
| Zibo Lishuo Chem | China national standards | MT | 819.02 | USD | 20251117 |
| Zibo Lishuo Chem | China national standards | MT | 819.02 | USD | 20251117 |
| Zibo Lishuo Chem | China national standards | MT | 819.02 | USD | 20251117 |
| Zibo Lishuo Chem | China national standards | MT | 819.02 | USD | 20251117 |
| Zibo Lishuo Chem | China national standards | MT | 818.92 | USD | 20251115 |
| Zibo Lishuo Chem | China national standards | MT | 818.92 | USD | 20251115 |
| Zibo Lishuo Chem | China national standards | MT | 818.92 | USD | 20251114 |
| Zibo Lishuo Chem | China national standards | MT | 818.92 | USD | 20251114 |