| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1053.55 | USD | 20250826 |
| Nanjing Daze Trading Co., Ltd. | China national standards | MT | 1123.78 | USD | 20250826 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 870.93 | USD | 20250826 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 884.98 | USD | 20250826 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 884.98 | USD | 20250826 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 969.26 | USD | 20250826 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1096.11 | USD | 20250825 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 885.32 | USD | 20250825 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 871.26 | USD | 20250825 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 885.32 | USD | 20250825 |