Gang Zhao

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Qinhuangdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Punch pin assembly and die casting machine having punch pin assembly
- Patent number 11,420,252
- Issue date Aug 23, 2022
- CITIC Dicastal CO., LTD.
- Chuan Dai
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Cutting method for aluminum alloy casting, and trimming die
- Patent number 11,376,670
- Issue date Jul 5, 2022
- CITIC Dicastal CO., LTD.
- Haijun Guo
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
CUTTING METHOD FOR ALUMINUM ALLOY CASTING, AND TRIMMING DIE
- Publication number 20200406372
- Publication date Dec 31, 2020
- CITIC DICASTAL CO., LTD
- Haijun Guo
- B22 - CASTING POWDER METALLURGY