| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 985.15 | USD | 20251008 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.06 | USD | 20251008 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.06 | USD | 20251008 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.06 | USD | 20251006 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.06 | USD | 20251006 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 985.15 | USD | 20251006 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 323.69 | USD | 20251006 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 323.69 | USD | 20251001 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 985.15 | USD | 20251001 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.06 | USD | 20251001 |