| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1055.39 | USD | 20250906 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 914.35 | USD | 20250902 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1055.02 | USD | 20250902 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 984.68 | USD | 20250902 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 984.92 | USD | 20250901 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1055.27 | USD | 20250901 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 914.57 | USD | 20250901 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 913.08 | USD | 20250826 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 983.31 | USD | 20250826 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1053.55 | USD | 20250826 |