| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 917.3 | USD | 20250811 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 910.3 | USD | 20250811 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 917.6 | USD | 20250808 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 911.07 | USD | 20250807 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 918.07 | USD | 20250807 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 917.25 | USD | 20250806 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 910.25 | USD | 20250806 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 910.8 | USD | 20250805 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 917.8 | USD | 20250805 |