Guanxing Zhang

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Zhengzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Device and method for manufacturing coated welding rod
- Patent number 11,660,709
- Issue date May 30, 2023
- Weimin Long
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Copper-Phosphorus-Tin Brazing Wire and Preparation Method Thereof
- Publication number 20230405731
- Publication date Dec 21, 2023
- ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD.
- Sujuan ZHONG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Braze Coating Material with Nickel Core and Coating and Preparation...
- Publication number 20230398645
- Publication date Dec 14, 2023
- ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINERRING CO., LTD.
- Weimin LONG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR