| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 137.83 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.67 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.67 | USD | 20251009 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 123.77 | USD | 20251009 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 189.87 | USD | 20251009 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 161.74 | USD | 20251009 |
| Guangzhou Longyu Chemical Co., Ltd. | China national standards | MT | 168.77 | USD | 20251009 |
| Jinan Xingdate Biotechnology Co., Ltd. | China national standards | MT | 105.48 | USD | 20251009 |
| Guangzhou Longyu Chemical Co., Ltd. | China national standards | MT | 168.88 | USD | 20251008 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 189.99 | USD | 20251008 |