| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Shandong | China national standards | MT | 1055.34 | USD | 20230417 |
| Aite Shandong | China national standards | MT | 1055.34 | USD | 20230413 |
| Aite Shandong | China national standards | MT | 1055.34 | USD | 20230410 |
| Aite Shandong | China national standards | MT | 1091.23 | USD | 20230405 |
| Aite Shandong | China national standards | MT | 1076.87 | USD | 20230329 |
| Aite Shandong | China national standards | MT | 1005.08 | USD | 20230327 |
| Aite Shandong | China national standards | MT | 1019.44 | USD | 20230324 |