| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1870.45 | USD | 20250922 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1869.87 | USD | 20250920 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1869.87 | USD | 20250919 |