Lijuan Zhang

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Qinhuangdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacturing aluminum alloy wheel
- Patent number 10,919,083
- Issue date Feb 16, 2021
- CITIC Dicastal CO., LTD.
- Zuo Xu
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Spin forming method for rim of cast-spun aluminum alloy hub
- Patent number 10,695,819
- Issue date Jun 30, 2020
- CITIC Dicastal CO., LTD.
- Haiping Chang
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR MANUFACTURING ALUMINUM ALLOY WHEEL
- Publication number 20190283108
- Publication date Sep 19, 2019
- CITIC DICASTAL CO., LTD
- Haiping Chang
- B22 - CASTING POWDER METALLURGY
Information Patent Application
SPIN FORMING METHOD FOR RIM OF CAST-SPUN ALUMINUM ALLOY HUB
- Publication number 20190283107
- Publication date Sep 19, 2019
- CITIC DICASTAL CO., LTD
- Haiping Chang
- B22 - CASTING POWDER METALLURGY