| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 773.49 | USD | 20250922 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 773.25 | USD | 20250920 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 773.25 | USD | 20250919 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 773.72 | USD | 20250918 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 774.35 | USD | 20250916 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 774.33 | USD | 20250908 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 787.74 | USD | 20250902 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 773.68 | USD | 20250902 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 773.86 | USD | 20250901 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 787.93 | USD | 20250901 |