| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.77 | USD | 20251205 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 325.09 | USD | 20251205 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.77 | USD | 20251205 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.74 | USD | 20251203 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.74 | USD | 20251203 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 988.78 | USD | 20251202 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.71 | USD | 20251201 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |