| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 323.68 | USD | 20250924 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 323.46 | USD | 20250922 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 393.78 | USD | 20250922 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 393.78 | USD | 20250922 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 393.66 | USD | 20250920 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 393.66 | USD | 20250920 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 984.14 | USD | 20250920 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 323.36 | USD | 20250920 |