Yang HAN

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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

Patents Applicationslast 30 patents

Information Patent Application
PUNCH PIN ASSEMBLY AND DIE CASTING MACHINE HAVING PUNCH PIN ASSEMBLY
- Publication number 20200206807
- Publication date Jul 2, 2020
- CITIC DICASTAL CO., LTD
- Chuan DAI
- B22 - CASTING POWDER METALLURGY