| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | China national standards | MT | 394.62 | USD | 20251022 |
| Shandong Qiancheng | Industrial Grade | MT | 507.37 | USD | 20251022 |
| Shandong Qiancheng | China national standards | MT | 394.76 | USD | 20251021 |
| Shandong Qiancheng | China national standards | MT | 1043.28 | USD | 20251021 |
| Shandong Qiancheng | Industrial Grade | MT | 507.54 | USD | 20251021 |
| Shandong Qiancheng | 90% | MT | 394.76 | USD | 20251021 |
| Shandong Qiancheng | 90% | MT | 394.52 | USD | 20251020 |
| Shandong Qiancheng | China national standards | MT | 1042.65 | USD | 20251020 |
| Shandong Qiancheng | China national standards | MT | 394.52 | USD | 20251020 |
| Shandong Qiancheng | Industrial Grade | MT | 507.24 | USD | 20251020 |