| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 980.15 | USD | 20250812 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 910.13 | USD | 20250812 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1050.35 | USD | 20250811 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 910.3 | USD | 20250811 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 980.32 | USD | 20250811 |