| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun | China national standards | MT | 608.32 | USD | 20251211 |
| Shandong Zhenkun | China national standards | MT | 607.75 | USD | 20251210 |
| Shandong Zhenkun | China national standards | MT | 607.75 | USD | 20251210 |
| Shandong Zhenkun | China national standards | MT | 607.58 | USD | 20251209 |
| Shandong Zhenkun | China national standards | MT | 607.65 | USD | 20251208 |
| Shandong Zhenkun | China national standards | MT | 607.78 | USD | 20251207 |
| Shandong Zhenkun | China national standards | MT | 607.78 | USD | 20251206 |
| Shandong Zhenkun | China national standards | MT | 607.78 | USD | 20251205 |
| Shandong Zhenkun | China national standards | MT | 607.74 | USD | 20251203 |
| Shandong Zhenkun | China national standards | MT | 607.4 | USD | 20251202 |