| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 957.65 | USD | 20251013 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 992.29 | USD | 20251011 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 992.29 | USD | 20251010 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 991.53 | USD | 20251009 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 992.19 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 992.19 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 991.71 | USD | 20250929 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 990.84 | USD | 20250928 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 990.84 | USD | 20250927 |