| Gongyi Hengsheng Water Treatment Materials Co., Ltd | 2013-10-21 | Quartz Sand, Activated Charcoal, Demulsifier | 3000K CNY | Non supportato |
| Henan Fangao Environmental Protection Materials Co., Ltd | 2016-06-03 | Quartz Sand, Solid Sodium Hypochlorite, Scale Inhibitor | 5000K CNY | Non supportato |
| Henan Jiufeng Water Treatment Co., Ltd | 2022-12-09 | Quartz Sand, Sodium Acetate, Ceramsite | 10580K CNY | Non supportato |
| Henan Zhongyan Biological New Materials Co., Ltd | 2023-08-11 | Quartz Sand, Glucose, Zeolite | 3100K CNY | Supportato |
| Henan Yuyan Environmental Protection Technology Co., Ltd | 2019-11-05 | Quartz Sand, Floating Ball, Oblique Pipe Packing | 12000K CNY | Supportato |
| Henan Zhuoxu Environmental Protection Technology Co., Ltd | 2020-12-03 | Quartz Sand, Pine Bark, Polyacrylamide | 1000K CNY | Non supportato |
| Zhengzhou Rongmao Water Purification Materials Co., Ltd | 2014-04-28 | Quartz Sand, Polyaluminium Chloride, Calcium Chloride | 1000K CNY | Supportato |
| Gongyi Qixin Water Purification Materials Co., Ltd | 2017-11-23 | Quartz Sand, Activated Charcoal, Water Treatment Accessories | 1000K CNY | Non supportato |
| Henan Guohong Water Treatment Materials Co., Ltd | 2021-09-22 | Quartz Sand, Polyaluminium Chloride, Glucose | 20000K CNY | Non supportato |
| Henan Yihe Water Treatment Co., Ltd | 2024-09-12 | Quartz Sand, Floating Ball, Pine Bark | 1000K CNY | Non supportato |