| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 346.6 | USD | 20251211 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 346.28 | USD | 20251210 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 346.18 | USD | 20251209 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 346.22 | USD | 20251208 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 346.29 | USD | 20251205 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 346.37 | USD | 20251204 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 346.27 | USD | 20251203 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 346.07 | USD | 20251202 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 346.25 | USD | 20251201 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 346.1 | USD | 20251128 |