| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | China national standards | MT | 395.12 | USD | 20251106 |
| Shandong Qiancheng | Industrial Grade | MT | 508.01 | USD | 20251106 |
| Shandong Qiancheng | Industrial Grade | MT | 507.75 | USD | 20251105 |
| Shandong Qiancheng | China national standards | MT | 394.92 | USD | 20251105 |
| Shandong Qiancheng | 90% | MT | 395.01 | USD | 20251104 |
| Shandong Qiancheng | China national standards | MT | 1043.94 | USD | 20251104 |
| Shandong Qiancheng | China national standards | MT | 395.01 | USD | 20251104 |
| Shandong Qiancheng | Industrial Grade | MT | 507.86 | USD | 20251104 |
| Shandong Qiancheng | China national standards | MT | 395.11 | USD | 20251103 |
| Shandong Qiancheng | Industrial Grade | MT | 507.99 | USD | 20251103 |