| Vendor | Spec | Unit | Price | Currency | Date |
| China national standards | MT | 965.48 | USD | 20251017 | |
| Nanjing Waien Chemical Technology Co., Ltd. | China national standards | MT | 951.39 | USD | 20251017 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 887.72 | USD | 20251016 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 887.72 | USD | 20251016 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 958.18 | USD | 20251016 |
| China national standards | MT | 1099.09 | USD | 20251016 | |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1268.18 | USD | 20251016 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 986.36 | USD | 20251016 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1099.09 | USD | 20251016 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 887.72 | USD | 20251016 |