| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 137.92 | USD | 20250924 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 168.88 | USD | 20250923 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 123.84 | USD | 20250923 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 123.84 | USD | 20250923 |
| Hubei Shuanghuan Science and Technology Stock Co., Ltd. | China national standards | MT | 161.84 | USD | 20250923 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 112.59 | USD | 20250923 |
| Jinan Xingdate Biotechnology Co., Ltd. | China national standards | MT | 105.55 | USD | 20250923 |
| Hunan Jianghai Environmental Protection Co., Ltd. | China national standards | MT | 534.78 | USD | 20250923 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 123.84 | USD | 20250923 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 102.73 | USD | 20250923 |