| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 922.16 | USD | 20250908 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 915.12 | USD | 20250908 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 914.67 | USD | 20250906 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 921.7 | USD | 20250906 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 921.86 | USD | 20250904 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 914.82 | USD | 20250904 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 921.6 | USD | 20250901 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 914.57 | USD | 20250901 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 920.1 | USD | 20250826 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 913.08 | USD | 20250826 |