| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1199.62 | USD | 20251028 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1199.62 | USD | 20251028 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1199.19 | USD | 20251027 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1198.4 | USD | 20251025 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1198.4 | USD | 20251024 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1197.96 | USD | 20251022 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1198.36 | USD | 20251021 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1197.64 | USD | 20251020 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1198.04 | USD | 20251017 |