| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yifei | Industrial Grade | MT | 1130.12 | USD | 20251128 |
| Shandong Yifei | Industrial Grade | MT | 1059.49 | USD | 20251128 |
| Shandong Yifei | China national standards | MT | 1059.49 | USD | 20251128 |
| Shandong Yifei | China national standards | MT | 1130.12 | USD | 20251128 |
| Shandong Yifei | China national standards | MT | 1130.12 | USD | 20251128 |
| Shandong Yifei | China national standards | MT | 1412.65 | USD | 20251128 |
| Shandong Yifei | China national standards | MT | 1412.51 | USD | 20251126 |
| Shandong Yifei | China national standards | MT | 1130.01 | USD | 20251126 |
| Shandong Yifei | Industrial Grade | MT | 1130.01 | USD | 20251126 |
| Shandong Yifei | China national standards | MT | 1059.38 | USD | 20251126 |