| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 882.86 | USD | 20250819 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1093.06 | USD | 20250819 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 882.86 | USD | 20250819 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 967.44 | USD | 20250818 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 869.3 | USD | 20250818 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 883.32 | USD | 20250818 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 883.32 | USD | 20250818 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 883.32 | USD | 20250818 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1093.63 | USD | 20250818 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 966.78 | USD | 20250817 |