Jianming Chai

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Jiaxing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing brake drum and a brake drum
- Patent number 9,016,443
- Issue date Apr 28, 2015
- Jiaxing Stone Wheel Co., Ltd
- Jianrong Zhang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING BRAKE DRUM AND A BRAKE DRUM
- Publication number 20140034433
- Publication date Feb 6, 2014
- JIAXING STONE WHEEL CO., LTD.
- Jianrong Zhang
- B22 - CASTING POWDER METALLURGY