| Zhengzhou Renquan Environmental Protection Technology Co., Ltd | 2020-03-05 | Powdered Activated Carbon, Honeycomb Activated Carbon, Polyacrylamide | 7000K CNY | Supported |
| Gongyi Sifeng Water Purification Materials Co., Ltd | 2016-04-11 | Powdered Activated Carbon, Honeycomb Activated Carbon, Zeolite Filter Material | 2000K CNY | Not Supported |
| Zhengzhou Yongkun Environmental Protection Technology Co., Ltd | 2014-01-09 | Powdered Activated Carbon, Chemical Mud, Coconut Shell Activated Carbon | 5000K CNY | Not Supported |
| Zhengzhou Rongmao Water Purification Materials Co., Ltd | 2014-04-28 | Powdered Activated Carbon, Anthracite Filter Media , Emery | 1000K CNY | Supported |
| Gongyi Aolan Water Purification Materials Co., Ltd | 2003-02-10 | Powdered Activated Carbon, Columnar Activated Carbon, Maifanite | 1000K CNY | Not Supported |
| Henan Songshan Technology Co., Ltd | 2013-03-28 | Powdered Activated Carbon, Honeycomb Activated Carbon, Activated Carbon For Warm Stickers | 5000K CNY | Not Supported |
| Gongyi Qixin Water Purification Materials Co., Ltd | 2017-11-23 | Powdered Activated Carbon, Polyacrylamide, Fiber Ball | 1000K CNY | Not Supported |
| Gongyi Xuhong Water Purification Materials Co., Ltd | 2015-06-09 | Powdered Activated Carbon, Coal Based Granular Activated Carbon, Ceramic Filter Material | 5000K CNY | Not Supported |
| Henan Guohong Water Treatment Materials Co., Ltd | 2021-09-22 | Powdered Activated Carbon, Sodium Acetate, Water Filter Cap | 20000K CNY | Not Supported |
| Henan Haiyun Environmental Protection Technology Co., Ltd | 2014-09-25 | Powdered Activated Carbon, Coal Based Activated Carbon, Coconut Shell Activated Carbon | 11680K CNY | Supported |