| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yifei | Industrial Grade | MT | 1130.69 | USD | 20251210 |
| Shandong Yifei | Industrial Grade | MT | 1060.03 | USD | 20251210 |
| Shandong Yifei | China national standards | MT | 1060.03 | USD | 20251210 |
| Shandong Yifei | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Yifei | China national standards | MT | 1413.37 | USD | 20251210 |
| Shandong Yifei | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Yifei | Industrial Grade | MT | 1059.86 | USD | 20251208 |
| Shandong Yifei | Industrial Grade | MT | 1130.52 | USD | 20251208 |
| Shandong Yifei | China national standards | MT | 1059.86 | USD | 20251208 |
| Shandong Yifei | China national standards | MT | 1413.15 | USD | 20251208 |