| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yifei | Industrial Grade | MT | 1127.19 | USD | 20251020 |
| Shandong Yifei | China national standards | MT | 1127.19 | USD | 20251020 |
| Shandong Yifei | China national standards | MT | 1057.1 | USD | 20251017 |
| Shandong Yifei | Industrial Grade | MT | 1057.1 | USD | 20251017 |
| Shandong Yifei | China national standards | MT | 1127.57 | USD | 20251017 |
| Shandong Yifei | Industrial Grade | MT | 1127.57 | USD | 20251017 |
| Shandong Yifei | China national standards | MT | 1127.57 | USD | 20251017 |
| Shandong Yifei | China national standards | MT | 1409.46 | USD | 20251017 |
| Shandong Yifei | China national standards | MT | 1056.41 | USD | 20251015 |
| Shandong Yifei | China national standards | MT | 1408.55 | USD | 20251015 |