| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Baoxin Tech | China national standards | MT | 211.55 | USD | 20251120 |
| Henan Baoxin Tech | China national standards | MT | 211.65 | USD | 20251119 |
| Henan Baoxin Tech | China national standards | MT | 211.7 | USD | 20251118 |
| Henan Baoxin Tech | China national standards | MT | 211.79 | USD | 20251114 |
| Henan Baoxin Tech | China national standards | MT | 211.67 | USD | 20251113 |
| Henan Baoxin Tech | China national standards | MT | 211.67 | USD | 20251111 |
| Henan Baoxin Tech | China national standards | MT | 211.7 | USD | 20251110 |
| Henan Baoxin Tech | China national standards | MT | 211.76 | USD | 20251107 |
| Henan Baoxin Tech | China national standards | MT | 211.67 | USD | 20251106 |
| Henan Baoxin Tech | China national standards | MT | 211.61 | USD | 20251104 |