| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 967.06 | USD | 20250813 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 868.96 | USD | 20250813 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 882.97 | USD | 20250813 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 882.97 | USD | 20250813 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1093.2 | USD | 20250813 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 882.97 | USD | 20250813 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 966.14 | USD | 20250812 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 868.13 | USD | 20250812 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 882.13 | USD | 20250812 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 882.13 | USD | 20250812 |