| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | 90% | MT | 506.13 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | 90% | MT | 506.44 | USD | 20250918 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 436.1 | USD | 20250918 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 436.1 | USD | 20250918 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 436.1 | USD | 20250918 |