| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1023.78 | USD | 20251117 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1023.65 | USD | 20251116 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1023.65 | USD | 20251114 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1023.07 | USD | 20251113 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1023.53 | USD | 20251112 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1023.06 | USD | 20251111 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1023.2 | USD | 20251110 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1023.49 | USD | 20251108 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1023.49 | USD | 20251107 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1023.07 | USD | 20251106 |