| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251028 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1129.05 | USD | 20251028 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1128.65 | USD | 20251027 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1127.9 | USD | 20251024 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1128.06 | USD | 20251023 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1127.87 | USD | 20251021 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1127.19 | USD | 20251020 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251017 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1127.27 | USD | 20251016 |