| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 987.92 | USD | 20251118 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.39 | USD | 20251117 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 324.79 | USD | 20251117 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.39 | USD | 20251117 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 988.48 | USD | 20251117 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.34 | USD | 20251116 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 324.74 | USD | 20251116 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 988.35 | USD | 20251116 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.34 | USD | 20251116 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 395.34 | USD | 20251114 |