| Vendor | Spec | Unit | Price | Currency | Date |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 68.51 | USD | 20250721 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 68.51 | USD | 20250721 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 68.51 | USD | 20250716 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 68.53 | USD | 20250715 |
| Gansu Yongshengyuan Trading Co., Ltd. | China national standards | MT | 68.54 | USD | 20250714 |
| Lianyungang Houding Industrial Co., Ltd. | China national standards | MT | 97.25 | USD | 20250407 |
| Lianyungang Houding Industrial Co., Ltd. | China national standards | MT | 97.37 | USD | 20250403 |
| Lianyungang Houding Industrial Co., Ltd. | China national standards | MT | 97.53 | USD | 20250401 |
| Lianyungang Houding Industrial Co., Ltd. | China national standards | MT | 100.31 | USD | 20250401 |