| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1130.01 | USD | 20251126 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1129.53 | USD | 20251125 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1129.53 | USD | 20251125 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1129.19 | USD | 20251124 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1128.75 | USD | 20251121 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1128.27 | USD | 20251120 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1128.8 | USD | 20251119 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1129.69 | USD | 20251117 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1129.54 | USD | 20251115 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1129.54 | USD | 20251114 |