| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250920 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1124.73 | USD | 20250919 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1125.41 | USD | 20250918 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1126.33 | USD | 20250916 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1125.78 | USD | 20250910 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1126.3 | USD | 20250908 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1125.94 | USD | 20250904 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1125.05 | USD | 20250903 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250902 |