| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1209.46 | USD | 20250922 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1209.09 | USD | 20250920 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1209.09 | USD | 20250919 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1209.82 | USD | 20250918 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1210.81 | USD | 20250916 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1210.21 | USD | 20250910 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1210.77 | USD | 20250908 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1210.38 | USD | 20250904 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1209.43 | USD | 20250903 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1209.75 | USD | 20250902 |