Junfu Li

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Qinhuangdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Aging resistance coating film for hub and method for forming protec...
- Patent number 10,752,998
- Issue date Aug 25, 2020
- CITIC Dicastal CO., LTD.
- Zaide Wang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Anti-aging periodic variable reaction black chromium coating film a...
- Patent number 10,745,794
- Issue date Aug 18, 2020
- CITIC Dicastal CO., LTD.
- Zaide Wang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
ANTI-AGING PERIODIC VARIABLE REACTION BLACK CHROMIUM COATING FILM A...
- Publication number 20190292654
- Publication date Sep 26, 2019
- CITIC DICASTAL CO., LTD
- Zaide WANG
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
AGING RESISTANCE COATING FILM FOR HUB AND METHOD FOR FORMING PROTEC...
- Publication number 20190284702
- Publication date Sep 19, 2019
- CITIC DICASTAL CO., LTD
- Zaide Wang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...