| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng | 90% | MT | 394.89 | USD | 20251120 |
| Shandong Qiancheng | Industrial Grade | MT | 507.72 | USD | 20251120 |
| Shandong Qiancheng | China national standards | MT | 1043.65 | USD | 20251120 |
| Shandong Qiancheng | China national standards | MT | 394.89 | USD | 20251120 |
| Shandong Qiancheng | China national standards | MT | 395.08 | USD | 20251119 |
| Shandong Qiancheng | China national standards | MT | 1044.14 | USD | 20251119 |
| Shandong Qiancheng | Industrial Grade | MT | 507.96 | USD | 20251119 |
| Shandong Qiancheng | 90% | MT | 395.08 | USD | 20251119 |
| Shandong Qiancheng | China national standards | MT | 1044.37 | USD | 20251118 |
| Shandong Qiancheng | 90% | MT | 395.17 | USD | 20251118 |