Chao Ma

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Qinhuangdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Riser tube coating for cast aluminum alloy and using method thereof
- Patent number 12,090,545
- Issue date Sep 17, 2024
- CITIC Dicastal CO., LTD.
- Xin Liang
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
Purification Method of Recovered Aluminum Melt for Automobile Hub
- Publication number 20240109122
- Publication date Apr 4, 2024
- CITIC DICASTAL CO., LTD
- Xin Liang
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Riser Tube Coating for Cast Aluminum Alloy and Using Method Thereof
- Publication number 20230381853
- Publication date Nov 30, 2023
- CITIC DICASTAL CO., LTD
- Xin Liang
- B22 - CASTING POWDER METALLURGY
Information Patent Application
AUTOMATIC SAND ABRASION DEVICE
- Publication number 20200223030
- Publication date Jul 16, 2020
- CITIC DICASTAL CO., LTD
- Jiwei Zhou
- B24 - GRINDING POLISHING
Information Patent Application
METHOD FOR REDUCING DEFORMATION OF END FACE OF WHEEL BLANK
- Publication number 20170341137
- Publication date Nov 30, 2017
- CITIC DICASTAL CO., LTD
- Jianguo Zeng
- B22 - CASTING POWDER METALLURGY