| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 281.27 | USD | 20250922 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 302.37 | USD | 20250922 |
| Shandong Kailong Chemical Technology Development Co., Ltd. | China national standards | MT | 225.02 | USD | 20250922 |
| Henan Lianying Water Treatment Materials Co., Ltd. | China national standards | MT | 337.52 | USD | 20250922 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 253.14 | USD | 20250922 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 253.14 | USD | 20250922 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 239.08 | USD | 20250922 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 281.27 | USD | 20250922 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 225.02 | USD | 20250922 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 331.9 | USD | 20250922 |