| Vendor | Spec | Unit | Price | Currency | Date |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 56.4 | USD | 20251023 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 56.36 | USD | 20251020 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 56.38 | USD | 20251017 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 56.36 | USD | 20251016 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 56.34 | USD | 20251015 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 56.32 | USD | 20251014 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 56.3 | USD | 20251010 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 56.3 | USD | 20251010 |