| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 675.09 | USD | 20251009 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 619.24 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 619.24 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 618.94 | USD | 20250929 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 618.39 | USD | 20250928 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 618.39 | USD | 20250927 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 618.39 | USD | 20250926 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 619.22 | USD | 20250925 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 619.22 | USD | 20250924 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 618.79 | USD | 20250922 |