| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 323.25 | USD | 20250926 |
| Shandong Zhenkun | China national standards | MT | 983.81 | USD | 20250926 |
| Shandong Zhenkun | 90% | MT | 393.52 | USD | 20250926 |
| Shandong Zhenkun | 90% | MT | 393.52 | USD | 20250926 |
| Shandong Zhenkun | China national standards | MT | 435.69 | USD | 20250926 |
| Shandong Zhenkun | 90% | MT | 394.05 | USD | 20250924 |
| Shandong Zhenkun | 90% | MT | 394.05 | USD | 20250924 |
| Shandong Zhenkun | China national standards | MT | 323.68 | USD | 20250924 |
| Shandong Zhenkun | Industrial Grade | MT | 429.23 | USD | 20250924 |
| Shandong Zhenkun | China national standards | MT | 985.12 | USD | 20250924 |