| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| China national standards | MT | 1099.3 | USD | 20251022 | |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 972.46 | USD | 20251022 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 972.46 | USD | 20251022 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1212.05 | USD | 20251022 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1268.86 | USD | 20251021 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 874.1 | USD | 20251021 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 888.2 | USD | 20251021 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 888.2 | USD | 20251021 |