| Vendor | Spec | Unit | Price | Currency | Date |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 68.52 | USD | 20250729 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 68.52 | USD | 20250729 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 68.61 | USD | 20250725 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 68.61 | USD | 20250725 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 68.64 | USD | 20250724 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 68.64 | USD | 20250724 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 68.61 | USD | 20250723 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 68.61 | USD | 20250723 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 68.57 | USD | 20250722 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 68.57 | USD | 20250722 |