| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1082.56 | USD | 20250920 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1082.56 | USD | 20250919 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1083.21 | USD | 20250918 |