Zhijian WEI

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Anshun, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for forming non-rectangular section ring from rectangular se...
- Patent number 9,662,701
- Issue date May 30, 2017
- GUIZHOU ANDA AVIATION FORGING CO., LTD.
- Zhijian Wei
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR FORMING NON-RECTANGULAR SECTION RING FROM RECTANGULAR SE...
- Publication number 20140260501
- Publication date Sep 18, 2014
- GUIZHOU ANDA AVIATION FORGING CO., LTD
- Zhijian WEI
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...