| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Kunfeng Chemical Co., Ltd. | China national standards | MT | 281.27 | USD | 20250922 |
| Shandong Kailong Chemical Technology Development Co., Ltd. | China national standards | MT | 281.27 | USD | 20250922 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 281.27 | USD | 20250922 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 253.14 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.86 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.86 | USD | 20250922 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 323.46 | USD | 20250922 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 306.58 | USD | 20250922 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 253.14 | USD | 20250922 |
| Henan Lianying Water Treatment Materials Co., Ltd. | China national standards | MT | 337.52 | USD | 20250922 |