| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 325.38 | USD | 20251211 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 396.12 | USD | 20251211 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 396.12 | USD | 20251211 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.74 | USD | 20251210 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.74 | USD | 20251210 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 324.98 | USD | 20251209 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.63 | USD | 20251209 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.63 | USD | 20251209 |