| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 323.36 | USD | 20250919 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 393.66 | USD | 20250919 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 393.66 | USD | 20250919 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 393.89 | USD | 20250918 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 393.89 | USD | 20250918 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 323.56 | USD | 20250918 |