| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 921.21 | USD | 20251009 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 914.78 | USD | 20250930 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 921.82 | USD | 20250930 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 920.56 | 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 | 913.54 | USD | 20250926 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 920.56 | USD | 20250926 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 921.8 | USD | 20250925 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 914.76 | USD | 20250925 |