| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Yinqiao | Industrial Grade | MT | 317.92 | USD | 20251209 |
| Hunan Yinqiao | China national standards | MT | 318.03 | USD | 20251205 |
| Hunan Yinqiao | Industrial Grade | MT | 318.1 | USD | 20251204 |
| Hunan Yinqiao | Industrial Grade | MT | 317.82 | USD | 20251202 |
| Hunan Yinqiao | China national standards | MT | 317.46 | USD | 20251122 |
| Hunan Yinqiao | Industrial Grade | MT | 317.72 | USD | 20251117 |
| Hunan Yinqiao | Industrial Grade | MT | 317.51 | USD | 20251113 |
| Hunan Yinqiao | Industrial Grade | MT | 317.64 | USD | 20251107 |
| Hunan Yinqiao | Industrial Grade | MT | 317.51 | USD | 20251106 |
| Hunan Yinqiao | Industrial Grade | MT | 317.34 | USD | 20251105 |