| Zhengzhou Renquan Environmental Protection Technology Co., Ltd | 2020-03-05 | Activated Carbon , Polyaluminium Chloride, Fine Bubble Diffuser | 7000K CNY | Supported |
| Zhengzhou Yongkun Environmental Protection Technology Co., Ltd | 2014-01-09 | Activated Carbon , Coconut Shell Activated Carbon, Fiber Ball Filter Material | 5000K CNY | Not Supported |
| Zhengzhou Rongmao Water Purification Materials Co., Ltd | 2014-04-28 | Activated Carbon , Honeycomb Activated Carbon, Ammonia Nitrogen Remover | 1000K CNY | Supported |
| Henan Landa Water Treatment Materials Co., Ltd | 2016-03-29 | Activated Carbon , Volcanic Rock/Bamboo Charcoal, Inclined Tube Inclined Plate | 10000K CNY | Supported |
| Gongyi Aolan Water Purification Materials Co., Ltd | 2003-02-10 | Activated Carbon , Powdered Activated Carbon, Magnetite | 1000K CNY | Not Supported |
| Henan Songshan Technology Co., Ltd | 2013-03-28 | Activated Carbon , Food Specific Activated Carbon, Efficient Decolorization And Refined Activated Carbon | 5000K CNY | Not Supported |
| Henan Xingnuo Environmental Protection Materials Co., Ltd | 2019-02-21 | Activated Carbon , Ceramic Honeycomb Catalyst, Activated Alumina Balls | 10000K CNY | Not Supported |
| Gongyi Xuhong Water Purification Materials Co., Ltd | 2015-06-09 | Activated Carbon , Powdered Activated Carbon, Non Ionic Polyacrylamide | 5000K CNY | Not Supported |
| Henan Haiyun Environmental Protection Technology Co., Ltd | 2014-09-25 | Activated Carbon , Water Purification Agent Series, Coal Based Activated Carbon | 11680K CNY | Supported |
| Henan Xiangyi Environmental Protection Technology Co., Ltd | 2023-02-17 | Activated Carbon , Three Dimensional Mesh Packing, Honeycomb Inclined Tube Environmentally Friendly Filling Material | 8000K CNY | Not Supported |