| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 967.92 | USD | 20250821 |
| Nanjing Guanshan New Energy Industry Co., Ltd. | China national standards | MT | 981.95 | USD | 20250821 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 967.92 | USD | 20250821 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 869.72 | USD | 20250821 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1094.17 | USD | 20250821 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 883.75 | USD | 20250821 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 883.75 | USD | 20250821 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 883.75 | USD | 20250821 |
| Nanjing Daze Trading Co., Ltd. | China national standards | MT | 1122.22 | USD | 20250821 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 882.55 | USD | 20250820 |