| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.01 | USD | 20251104 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.11 | USD | 20251103 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.11 | USD | 20251103 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 987.77 | USD | 20251103 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 324.55 | USD | 20251103 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.03 | USD | 20251031 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.03 | USD | 20251031 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 324.49 | USD | 20251031 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 987.58 | USD | 20251031 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.12 | USD | 20251030 |