| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.97 | USD | 20250828 |
| Nanjing Guanshan New Energy Industry Co., Ltd. | China national standards | MT | 999.11 | USD | 20250828 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 886.54 | USD | 20250828 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1097.62 | USD | 20250828 |
| Nanjing Daze Trading Co., Ltd. | China national standards | MT | 1125.76 | USD | 20250828 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 872.47 | USD | 20250828 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.54 | USD | 20250828 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.54 | USD | 20250828 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.97 | USD | 20250828 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 885.98 | USD | 20250827 |