Chengquan Wang

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for cleaning a surface of a twin-roller continuou...
- Patent number 9,770,756
- Issue date Sep 26, 2017
- Baoshan Iron & Steel Co., Ltd.
- Jian Zhang
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
HIGH-STRENGTH STEEL WITH GOOD WEATHER RESISTANCE AND MANUFACTURING...
- Publication number 20250011891
- Publication date Jan 9, 2025
- Baoshan Iron & Steel Co., Ltd
- Sixin Zhao
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Method and Device for Cleaning a Surface of a Twin-Roller Continuou...
- Publication number 20150231693
- Publication date Aug 20, 2015
- BAOSHAN IRON & STEEL CO., LTD.
- Jian Zhang
- B22 - CASTING POWDER METALLURGY