| Vendor | Spec | Unit | Price | Currency | Date |
| Zaozhuang Yitai | China national standards | MT | 543.27 | USD | 20251103 |
| Wanglong | China national standards | MT | 578.55 | USD | 20251103 |
| Zaozhuang Yitai | China national standards | MT | 543.27 | USD | 20251103 |
| Wanglong | China national standards | MT | 627.82 | USD | 20251031 |
| Zaozhuang Yitai | China national standards | MT | 543.17 | USD | 20251031 |
| Zaozhuang Yitai | China national standards | MT | 543.17 | USD | 20251031 |
| Wanglong | China national standards | MT | 578.44 | USD | 20251031 |
| Wanglong | China national standards | MT | 592.55 | USD | 20251031 |
| Zaozhuang Yitai | China national standards | MT | 543.29 | USD | 20251030 |
| Wanglong | China national standards | MT | 578.57 | USD | 20251030 |