| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1129.42 | USD | 20251112 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1128.89 | USD | 20251111 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1129.37 | USD | 20251107 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1128.91 | USD | 20251106 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1128.33 | USD | 20251105 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1128.59 | USD | 20251104 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1128.88 | USD | 20251103 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251101 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1128.67 | USD | 20251031 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1129.26 | USD | 20251029 |