| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Kunyu | China national standards | MT | 1238.48 | USD | 20251006 |
| Chengdu Rongjiaxin Chem | Industrial Grade | MT | 1576.24 | USD | 20251005 |
| Zibo Kunyu | China national standards | MT | 1238.48 | USD | 20251005 |
| Zibo Kunyu | China national standards | MT | 1238.48 | USD | 20251004 |
| Jining Chaoda Mat | China national standards | MT | 985.15 | USD | 20251003 |
| Jining Chaoda Mat | China national standards | MT | 1027.37 | USD | 20251003 |
| Zibo Kunyu | China national standards | MT | 1238.48 | USD | 20251003 |
| Zibo Kunyu | China national standards | MT | 1238.48 | USD | 20251002 |
| Jining Chaoda Mat | China national standards | MT | 985.15 | USD | 20251002 |
| Jining Chaoda Mat | China national standards | MT | 1027.37 | USD | 20251002 |