| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.26 | USD | 20250918 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 872.2 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.26 | USD | 20250918 |
| Nanjing Guanshan New Energy Industry Co., Ltd. | China national standards | MT | 978.5 | USD | 20250916 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 886.99 | USD | 20250916 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1098.17 | USD | 20250916 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1055.94 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.46 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 971.07 | USD | 20250915 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1055.51 | USD | 20250915 |