| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1196.22 | USD | 20250925 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1196.22 | USD | 20250924 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1196.22 | USD | 20250923 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1195.4 | USD | 20250922 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250920 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250919 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1195.75 | USD | 20250918 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1196.73 | USD | 20250916 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1196.69 | USD | 20250908 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1196.31 | USD | 20250904 |