| Vendor | Spec | Unit | Price | Currency | Date |
| Zaozhuang Yitai | China national standards | MT | 537.03 | USD | 20251201 |
| Wanglong | China national standards | MT | 614.76 | USD | 20251201 |
| Wanglong | China national standards | MT | 572.2 | USD | 20251127 |
| Zaozhuang Yitai | China national standards | MT | 536.88 | USD | 20251127 |
| Wanglong | China national standards | MT | 614.59 | USD | 20251127 |
| Zaozhuang Yitai | China national standards | MT | 536.88 | USD | 20251127 |
| Zaozhuang Yitai | China national standards | MT | 536.75 | USD | 20251126 |
| Wanglong | China national standards | MT | 614.44 | USD | 20251126 |
| Zaozhuang Yitai | China national standards | MT | 536.75 | USD | 20251126 |
| Wanglong | China national standards | MT | 572.07 | USD | 20251126 |