| Gongyi Jiaxin Water Purification Materials Co., Ltd | 2008-01-04 | Honeycomb Activated Carbon, Polyaluminium Chloride, Wastewater Treatment Flocculant | 18000K CNY | Not Supported |
| Zhengzhou Renquan Environmental Protection Technology Co., Ltd | 2020-03-05 | Honeycomb Activated Carbon, Fiber Ball, Coal Based Columnar Activated Carbon | 7000K CNY | Supported |
| Henan Jiufeng Water Treatment Co., Ltd | 2022-12-09 | Honeycomb Activated Carbon, Sodium Acetate, Pine Bark | 10580K CNY | Supported |
| Gongyi Sifeng Water Purification Materials Co., Ltd | 2016-04-11 | Honeycomb Activated Carbon, Zeolite Filter Material, Scale Inhibitor | 2000K CNY | Not Supported |
| Zhengzhou Yongkun Environmental Protection Technology Co., Ltd | 2014-01-09 | Honeycomb Activated Carbon, Polyaluminium Chloride, Columnar Activated Carbon | 5000K CNY | Not Supported |
| Henan Landa Water Treatment Materials Co., Ltd | 2016-03-29 | Honeycomb Activated Carbon, Biological Ceramic Particle Filter Material, Iron Oxide/Sdg Adsorbent | 10000K CNY | Supported |
| Zhengzhou Rongmao Water Purification Materials Co., Ltd | 2014-04-28 | Honeycomb Activated Carbon, Chlorine Ingot, Activated Carbon | 1000K CNY | Supported |
| Gongyi Deke Water Purification Materials Co., Ltd | 2018-03-14 | Honeycomb Activated Carbon, Elastic Filler, Concrete Filter Plate | 8000K CNY | Supported |
| Henan Yuyan Environmental Protection Technology Co., Ltd | 2019-11-05 | Honeycomb Activated Carbon, Aluminum Oxide Ball, Quartz Sand | 12000K CNY | Supported |
| Henan Songshan Technology Co., Ltd | 2013-03-28 | Honeycomb Activated Carbon, Coal Based Activated Carbon, Medicinal Activated Carbon | 5000K CNY | Not Supported |