Canzhong Zeng

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Xiamen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Pressure balance valve of internal retention structure
- Patent number 10,031,532
- Issue date Jul 24, 2018
- XIAMEN LOTA INTERNATIONAL CO., LTD.
- Chuanbao Zhu
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Single waterway shaft structure
- Patent number 9,803,345
- Issue date Oct 31, 2017
- XIAMEN LOTA INTERNATIONAL CO., LTD.
- Keping Li
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
PRESSURE BALANCE VALVE OF INTERNAL RETENTION STRUCTURE
- Publication number 20170220054
- Publication date Aug 3, 2017
- XIAMEN LOTA INTERNATIONAL CO., LTD.
- Chuanbao Zhu
- G05 - CONTROLLING REGULATING