| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.33 | USD | 20251027 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.12 | USD | 20251024 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.17 | USD | 20251023 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.01 | USD | 20251022 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.12 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.93 | USD | 20251020 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.03 | USD | 20251018 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.95 | USD | 20251016 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.84 | USD | 20251015 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.73 | USD | 20251014 |