| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2182.27 | USD | 20250916 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2182.21 | USD | 20250908 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2154.05 | USD | 20250908 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2154.05 | USD | 20250908 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2181.13 | USD | 20250906 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2152.99 | USD | 20250906 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2152.23 | USD | 20250902 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2180.37 | USD | 20250902 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2152.23 | USD | 20250902 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 2152.75 | USD | 20250901 |