| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 606.45 | USD | 20251120 |
| Shandong Zhenkun | China national standards | MT | 606.73 | USD | 20251119 |
| Shandong Zhenkun | China national standards | MT | 606.86 | USD | 20251118 |
| Shandong Zhenkun | China national standards | MT | 606.86 | USD | 20251118 |
| Shandong Zhenkun | China national standards | MT | 607.21 | USD | 20251117 |
| Shandong Zhenkun | China national standards | MT | 607.13 | USD | 20251116 |
| Shandong Zhenkun | China national standards | MT | 607.13 | USD | 20251114 |
| Shandong Zhenkun | China national standards | MT | 607.06 | USD | 20251112 |
| Shandong Zhenkun | China national standards | MT | 606.78 | USD | 20251111 |
| Shandong Zhenkun | China national standards | MT | 606.78 | USD | 20251111 |