| Vendor | Spec | Unit | Price | Currency | Date |
| Zaozhuang Yitai | China national standards | MT | 535.96 | USD | 20251105 |
| Wanglong | China national standards | MT | 578.4 | USD | 20251104 |
| Zaozhuang Yitai | China national standards | MT | 543.13 | USD | 20251104 |
| Zaozhuang Yitai | China national standards | MT | 543.13 | USD | 20251104 |
| Wanglong | China national standards | MT | 627.78 | USD | 20251104 |
| Wanglong | China national standards | MT | 627.94 | USD | 20251103 |
| 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 |