| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1055.52 | USD | 20250930 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 914.78 | USD | 20250930 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1054.08 | USD | 20250928 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 913.54 | USD | 20250928 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 983.81 | USD | 20250928 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 913.54 | USD | 20250926 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1054.08 | USD | 20250926 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 983.81 | USD | 20250926 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |