| Yongjia Shangbo Valve Co., Ltd | 2018-01-25 | Reversing Check Valve, Explosion Proof Breathing Valve, Equipped With A Connecting Flame Retardant Single Call Valve | 20210K CNY | Not Supported |
| Zhejiang Huke Automatic Control Valve Co., Ltd | 2020-08-10 | Reversing Check Valve, Pneumatic Plug Valve, Check Valve | 10800K CNY | Not Supported |
| Zhejiang Jinneng Valve Co., Ltd | 2013-07-18 | Reversing Check Valve, Electric Four-Way Ball Valve, Buffer Check Valve | 11680K CNY | Not Supported |
| Zhejiang Weifeng Valve Co., Ltd | 2021-04-19 | Reversing Check Valve | 16880K CNY | Not Supported |
| Zhejiang Sanke Valve Co., Ltd | 2012-05-09 | Reversing Check Valve, Diaphragm Valve, Ceramic Ball Valve | 5880K CNY | Supported |
| Wenzhou Zhengfeng Fluid Control Co., Ltd | 2024-10-25 | Reversing Check Valve, Plastic Flame Arrester, Air Valve Check Valve | 500K CNY | Not Supported |
| Zhejiang Shengwei Pump Valve Co., Ltd | 2021-04-13 | Reversing Check Valve, Needle Valve, Ball Valve | 16880K CNY | Not Supported |
| Henan Qiaoyi Valve Co., Ltd | 2021-05-07 | Reversing Check Valve, Warehouse Top Valve, Electric Ball Valve | 18000K CNY | Not Supported |
| Yongjia County Oubei Shuangjin Valve Co., Ltd | 2015-05-28 | Reversing Check Valve, Water Seal Pressure Relief Valve, Channel Interception Gate | 10000K CNY | Supported |
| Zhejiang Juhao Valve Co., Ltd | 2018-08-29 | Reversing Check Valve, Vacuum Valve, Ceramic Valve | 18000K CNY | Not Supported |