| Vendor | Spec | Unit | Price | Currency | Date |
| Erenhot Huaze | China national standards | MT | 469.5 | USD | 20260605 |
| Erenhot Huaze | China national standards | MT | 469.19 | USD | 20260604 |
| Erenhot Huaze | China national standards | MT | 469.32 | USD | 20260603 |
| Erenhot Huaze | China national standards | MT | 469.3 | USD | 20260602 |
| Erenhot Huaze | China national standards | MT | 484.11 | USD | 20260601 |
| Erenhot Huaze | China national standards | MT | 484.04 | USD | 20260529 |
| Erenhot Huaze | China national standards | MT | USD | 20260528 | |
| Erenhot Huaze | China national standards | MT | USD | 20260527 | |
| Erenhot Huaze | China national standards | MT | USD | 20260526 | |
| Erenhot Huaze | China national standards | MT | USD | 20260525 |