Mingjin Chen

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Fujian, CN

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Patents Grantslast 30 patents

Information Patent Grant
Dual control mode-type deodorising and water drainage valve
- Patent number 9,650,774
- Issue date May 16, 2017
- Xiamen Huierjie Sanitary Ware Technology Co., Ltd.
- Xiangji Zheng
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
Improved dual control mode-type deodorising and water drainage valve
- Publication number 20150361649
- Publication date Dec 17, 2015
- Xiangji Zheng
- E03 - WATER SUPPLY SEWERAGE