| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 788.12 | USD | 20250930 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 787.05 | USD | 20250928 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 772.99 | USD | 20250928 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 772.99 | USD | 20250926 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 787.05 | USD | 20250926 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 788.1 | USD | 20250925 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 774.03 | USD | 20250925 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 788.1 | USD | 20250925 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 774.03 | USD | 20250925 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 774.03 | USD | 20250924 |