| Weifang Haoyu Environmental Protection Equipment Co., Ltd | 2014-06-18 | Integrated Water Purification Equipment, Air Flotation Machine Sewage Treatment Equipment, Beautiful Rural Construction Sewage Treatment | 15000K CNY | Supported |
| Shandong Chuanyi Water Treatment Technology Co., Ltd | 2016-01-22 | Integrated Water Purification Equipment, Large Barrel Filling Equipment, Ultrafiltration Equipment | 50000K CNY | Supported |
| Shandong Yifanli Water Treatment Equipment Co., Ltd | 2020-09-15 | Integrated Water Purification Equipment, Air Flotation Machine (Shallow Air Flotation), Integrated Sewage Treatment Equipment | 3000K CNY | Supported |
| Shandong Ruiquan Environmental Protection Equipment Co., Ltd | 2018-05-16 | Integrated Water Purification Equipment, Laboratory Sewage Treatment Equipment, Dissolved Air Flotation (Daf) Unit | 10000K CNY | Supported |
| Weifang Xinhai Environmental Protection Technology Co., Ltd | 2020-03-09 | Integrated Water Purification Equipment, Air Flotation Machine, Spiral Stacking Machine | 10000K CNY | Not Supported |
| Shandong Ruikeqi Environmental Technology Co., Ltd | 2019-07-18 | Integrated Water Purification Equipment, Pe Dosing Device, Purification Tank | 20000K CNY | Supported |
| Shandong Yinling Environmental Engineering Co., Ltd | 2023-03-06 | Integrated Water Purification Equipment, Reverse Osmosis Equipment, Ultrapure Water Equipment | 3000K CNY | Supported |
| Shandong Lingke Environmental Protection Technology Co., Ltd | 2017-07-14 | Integrated Water Purification Equipment, Reactive Oxygen Disinfectant, Air Flotation Machine | 20000K CNY | Not Supported |
| Weifang Huansen Environmental Protection Water Treatment Equipment Co., Ltd | 2015-09-09 | Integrated Water Purification Equipment, Inclined Tube Settling Tank, Air Flotation Machine | 3000K CNY | Not Supported |
| Shandong Weizhou Environmental Protection Equipment Co., Ltd | 2020-08-24 | Integrated Water Purification Equipment, Air Flotation Machine, Laboratory Sewage Treatment Equipment | 3000K CNY | Supported |