| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 773.72 | USD | 20250918 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 788.43 | USD | 20250916 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 774.35 | USD | 20250916 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 788.41 | USD | 20250908 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 774.33 | USD | 20250908 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 788.02 | USD | 20250906 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 788.16 | USD | 20250904 |
| 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 |