| Vendor | Spec | Unit | Price | Currency | Date |
| Nanyang Xingke Material Station | China national standards | MT | 112.91 | USD | 20251028 |
| Nanyang Xingke Material Station | China national standards | MT | 112.72 | USD | 20251020 |
| Nanyang Xingke Material Station | China national standards | MT | 112.6 | USD | 20251011 |
| Nanyang Xingke Material Station | China national standards | MT | 112.6 | USD | 20251010 |