Qingjiang Wang

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Fujian Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for continuously performing grain boundary diffus...
- Patent number 11,636,976
- Issue date Apr 25, 2023
- Fujian Changting Golden Dragon Rare-Earth Co., Ltd
- Qingjiang Wang
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Continous heat treatment device and method for alloy workpiece or m...
- Patent number 11,508,519
- Issue date Nov 22, 2022
- Fujian Changting Golden Dragon Rare-Earth Co., Ltd
- Qingjiang Wang
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
CONTINOUS HEAT TREATMENT DEVICE AND METHOD FOR ALLOY WORKPIECE OR M...
- Publication number 20210142943
- Publication date May 13, 2021
- Fujian Changting Golden Dragon Rare-Earth Co., Ltd.
- Qingjiang Wang
- B22 - CASTING POWDER METALLURGY
Information Patent Application
DEVICE AND METHOD FOR CONTINUOUSLY PERFORMING GRAIN BOUNDARY DIFFUS...
- Publication number 20210142944
- Publication date May 13, 2021
- Fujian Changting Golden Dragon Rare-Earth Co., Ltd.
- Qingjiang Wang
- B22 - CASTING POWDER METALLURGY