| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.68 | USD | 20251208 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 325.02 | USD | 20251208 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.68 | USD | 20251208 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 325.09 | USD | 20251207 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.77 | USD | 20251207 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 989.41 | USD | 20251207 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.77 | USD | 20251207 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 325.09 | USD | 20251206 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.77 | USD | 20251206 |