| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 788.65 | USD | 20251013 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 788.2 | USD | 20251011 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 774.12 | USD | 20251011 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 774.12 | USD | 20251010 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 788.2 | USD | 20251010 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 787.6 | USD | 20251009 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 773.54 | USD | 20251009 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 787.6 | USD | 20251009 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 773.54 | USD | 20251009 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 774.05 | USD | 20250930 |