| Yixing Aidun Environmental Protection Technology Co., Ltd | 2021-05-25 | Fecal Wastewater Treatment Equipment, Fiber Disc Filter, Scraper | 2000K CNY | 지원 |
| Dezhou Wangjing Environmental Protection Equipment Co., Ltd | 2020-03-10 | Fecal Wastewater Treatment Equipment, Inclined Screen Dry Wet Separator, Rotary Rake Toothed Grille Cleaning Machine | 3000K CNY | 미지원 |
| Shandong Huayue Environmental Protection Technology Co., Ltd | 2021-07-20 | Fecal Wastewater Treatment Equipment | 6000K CNY | 미지원 |
| Weifang Xinhai Environmental Protection Technology Co., Ltd | 2020-03-09 | Fecal Wastewater Treatment Equipment, Integrated Water Purification Equipment, Integrated Sewage Treatment Equipment | 10000K CNY | 미지원 |
| Shandong Huamai Environmental Protection Equipment Engineering Co., Ltd | 2020-09-18 | Fecal Wastewater Treatment Equipment | 3000K CNY | 미지원 |
| Shandong Yushai Water Treatment Equipment Co., Ltd | 2021-11-22 | Fecal Wastewater Treatment Equipment, Air Flotation Machine, Laboratory Sewage Treatment Equipment | 3000K CNY | 지원 |
| Weifang Xiaoyu Environmental Protection Water Treatment Equipment Co., Ltd | 2013-04-22 | Fecal Wastewater Treatment Equipment, Sewage Treatment Equipment | 20000K CNY | 미지원 |
| Weifang Haoyu Environmental Protection Equipment Co., Ltd | 2014-06-18 | Fecal Wastewater Treatment Equipment, Rainwater Collection System, Solar Powered Micro Power Sewage Treatment Equipment | 15000K CNY | 지원 |
| Zhucheng Anfeng Environmental Protection Equipment Co., Ltd | 2014-02-21 | Fecal Wastewater Treatment Equipment, Large Integrated Water Purifier, Sedimentation Tank | 20000K CNY | 미지원 |
| Shandong Chuanbo Environmental Protection Technology Co., Ltd | 2019-01-22 | Fecal Wastewater Treatment Equipment | 3000K CNY | 지원 |