| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Holitech | China national standards | MT | 361.58 | USD | 20260327 |
| Zibo Holitech | China national standards | MT | 362.03 | USD | 20260326 |
| Zibo Holitech | China national standards | MT | 362.79 | USD | 20260325 |
| Zibo Holitech | China national standards | MT | 267.96 | USD | 20260323 |