| Vendor | Spec | Unit | Price | Currency | Date |
| Changshu Heyi | China national standards | MT | 1747.23 | USD | 20260408 |
| Changshu Heyi | China national standards | MT | 1742.82 | USD | 20260407 |
| Changshu Heyi | China national standards | MT | 1740.92 | USD | 20260403 |
| Changshu Heyi | China national standards | MT | 1742.16 | USD | 20260402 |
| Changshu Heyi | China national standards | MT | USD | 20260401 | |
| Changshu Heyi | China national standards | MT | USD | 20260331 | |
| Changshu Heyi | China national standards | MT | USD | 20260227 | |
| Changshu Heyi | China national standards | MT | USD | 20260226 | |
| Changshu Heyi | China national standards | MT | USD | 20260225 | |
| Changshu Heyi | China national standards | MT | USD | 20260224 |